Doctor's Note

This is one of the most important papers I’ve seen recently. Why isn’t this headline news? If there were instead some new drug that reversed cancer progression, you can bet it would be all over the place. But who’s going to profit from revelations about berries? Other than, of course, the millions of people at risk for this devastating cancer. If you appreciate this website, please consider making a tax-deductible donation in support of my work.

The Ornish study to which I referred is Cancer Reversal Through Diet? This line of work was continued by the Pritikin Foundation, in an elegant series of experiments that begins with Ex Vivo Cancer Proliferation Bioassay (along with the prequel, Engineering a Cure).

Previously, I touched on esophageal cancer in Bacon & Botulism, and Poultry & Penis Cancer.

More on strawberries in Cancer-Fighting Berries, and Maxing Out on Antioxidants. My favorite way to eat them? My chocolate ice cream recipe; see A Treatment for Chronic Fatigue Syndrome.

If you missed my last two videos in this series, check out Which Fruit Fights Cancer Better? and Cranberries vs. Cancer . Next, we continue the theme, and close out with Black Raspberries vs. Oral Cancer.

Check out my associated blog posts for additional context: Which Common Fruit Fights Cancer Better?Anticancer Nutrient Synergy in CranberriesStrawberries Can Reverse Cancer ProgressionRaspberries Reverse Precancerous LesionsTop 10 Most Popular Videos of 2013; and Starving Tumors of their Blood Supply.

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  • HemoDynamic, M.D.

    That’s Berry interesting!
    I’m just amazed that this study even happened.

    • Veganrunner

      Dr Hemo where have you been? I got used to reading your daily comments. Then poof-gone!

      • Plantstrongdoc

        Feared that he was caught by the meat and dairy industri…

        • HemoDynamic, M.D.

          PS Doc,
          Good to see you back as well!

      • HemoDynamic, M.D.

        That’s what happens when you eat to many plants–Poof Gone. Guess that’s what happens when there is not enough protein in ones diet! Kinda like Rapture! My body is gone and now I am purely spiritual! Nirvana! ;-)

        No, I became really busy in my practice in northern california and was doing well and then decided to throw that all away and move to one of the busiest places in California to start all over again. So that is why I have been silent. I’m spending too much time dodging people and car’s and starting a new practice.

        Thanks for enjoying my comments. I try to be punny/funny to bring a smile to people faces. Food may be thy medicine but a lot of times laughter is the best medicine.

        • Veganrunner

          Are you in LA? You go from peace and quiet to dodging cars.

          Sounds like my life.

          • HemoDynamic, M.D.

            Yes. LA it is.

          • Veganrunner

            I would love a vegan doctor. Do you treat patients?

          • HemoDynamic, M.D.

            I do treat patients but unfortunately I am under contract to only treat a certain companies individuals.


          • Veganrunner

            oh so sad!

        • beccadoggie10

          How much protein should one eat per meal? Dr. Mehmet Oz claims 25 grams per meal. I’d be eating all day and gaining weight in the process.

          • HemoDynamic, M.D.

            I eat 4-5 meals a day so that comes out to 100-125 grams per day. Ridiculous I say!

            Even the RDA only recommends ~45 grams total for women and 55 grams for men. And if I am not mistaken the RDA was established to be an UPPER LIMIT of protein intake.

            One group of researchers has been recommending higher protein intake: ( )
            For me though I stopped worrying about protein intake a couple of years ago because I have been feeling good following a whole food starch/plant based lifestyle. I am also a avid cyclist that is putting in about 50 miles per week road and 25 per week mountain biking (tons of push ups and weights as well) and the only time I seem to have problems with fatigue and not recovering well from working out is when I don’t take in enough starches.
            For what it’s worth.

          • beccadoggie10

            I should have put the full citation in. Dr Oz said to eat 25 grams of protein per meal in order to keep calcium in one’s bones.

            If I eat all day, I would sleep all day. I seem to be most sleepy right after taking my vitamins with food and as hard as I’ve tried, I am not losing weight.

            There may be something else going on here, but eating makes me sleepy. While not eating enough gives me energy. However, I want my spine to heal and am hopelessly confused about how much protein I should be eating.

          • Joan_RD_CDE

            Just reading this post now. As a dietitian I can tell you that excess protein adversely affects bone. Here is an older reference, but to my knowledge, it is still true.

          • Sam

            just a suggestion, I too was sleepy when I took my vitamins and after eating, for years I have tried to figure it out. After 2-4 days of not eating wheat, I was a changed person, no sleepy or tired and slept well at night. Good Luck

  • beccadoggie10

    I eat organic berries on my oatmeal every morning alternating between blackberries (highest in calcium), blueberries (for their brain boosting powers) and strawberries.

    I’ve not yet heart burn, much less acid reflux disease, possible because I only eat organic and for two years thanks to all your guidance have eaten vegan. But, I’ll keep this in mind about strawberries and share it with my network of family and friends.

    Thanks, Dr. Greger.

  • this one was terrific. i have a relative who just got treated for esophageal precancer. he’s okay now but it was a huge panic, and this information is great! I will forward.

    i know it would be a hassle, but please consider publishing the transcripts for those of us who prefer reading to watching!

    • Veganrunner

      Look above doctors notes. It already done. Click on transcript.

    • David Hollenberg

      The transcripts are published. Search for “Transcript” on this page.
      The link is below the video.

  • jms

    Perhaps a bit off topic, but has anyone found a good source for reasonably priced freeze-dried organic berries?

    • MillyM

      whereabouts are you from jms?

      • jms

        I’m in South Florida, but willing to purchase online.

        • MillyM

          cool, I’ll let you know if I come across any good sources, can you let me know if you discover any? thanks

    • Alicia


  • excellent question – why isn’t this headline news?

    btw, another aspect to the “please publish the script” request is that when I forward this to my relative I will warn him that the images might freak him out.

    • You know there is a “Transcript” tab below the video box and just above the good doc’s picture/post. You can cut and paste this btw, don’t think Dr. G would mind a little fair use.

  • elsie blanche

    Dr. Greger, is it safe to assume that raspberries and blueberries would
    have some (but maybe not as much) of a positive effect, in this video’s regard, as the strawberries? Maybe raspberries do the same thing, but only 70% as effective, for example?

    • worth asking because of the organic question (see my comment), and apparently strawberries are also one of the hardest crops to harvest – a lot of backbreaking work for the laborers.

    • While strawberries rank below other berries in total anthocyanin and polyphenol content, there is some evidence that they have among the highest antiproliferative effects, at least in the test tube.

      McDougall, Gordon J., et al. “Berry extracts exert different antiproliferative effects against cervical and colon cancer cells grown in vitro.” Journal of agricultural and food chemistry 56.9 (2008): 3016-3023.

      Seeram, Navindra P., et al. “Blackberry, black raspberry, blueberry, cranberry, red raspberry, and strawberry extracts inhibit growth and stimulate apoptosis of human cancer cells in vitro.” Journal of agricultural and food chemistry 54.25 (2006): 9329-9339.

      You’ll note from the title of the last paper, it seems all berries have anti-proliferative effects.

      • elsie blanche

        Great post. You wrote……”Given standardized black raspberry extract also had high anti-proliferative effect and black raspberries are much higher in total polyphenols to begin with, its very possible the a serving of raspberries would be more potent than strawberries against cancer.” If this is the case, it seems to me that if one ate a larger amount of strawberries than the black raspberries, they may get the same/similar anti-proliferative effect. Does this logic make sense to you?

        • Polyphenols are the class of chemicals in berries believed to exert chemoprotective and chemotheraputic effects, and every berry includes a complex mixture of many kinds. The study featured in this video is not the first to find the complex cocktail in whole plant extracts more potent than isolated compounds. Different polyphenols perhaps work synergistically through multiple cell signalling pathways, suppressing mTOR (cell growth), NF-κB (proinflammatory), VEGF (angiogenesis) and inducing Nrf2 (endogenous antioxidant and repair) pathways.

          At present, science can’t answer which polyphenol, or polyphenol source is best. Strawberries are rich in pelargonidin, kaempferol, ellagic acid, and matairesinol which all have anti-tumor properties in the laboratory, but other berries are richer in anthocyanins (after soy isoflavones, perhaps the most extensively studied class of anticancer polyphenols). Moreover, every cancer is unique based on individual genetics, tissue of origin and its set of carcinogenic mutations, and any ranking of berries may differ in different cell lines. Diverse berries, each offering a different polyphenol cocktail, may act as synergistically as the polyphenols in any individual berry.

          • HereHere

            I just wanted to say that I appreciate the quality information in your comments. I read the sources you quoted and thought ‘wow!’.

    • beccadoggie10

      Blueberries are wonderful for strengthening your brain, and defeating memory threats, according to Neal Barnard, M.D. who cites blueberries in his book, “Foods That Power the Brain,” “

  • okay, i can’t seem to shut up on that. it’s worth noting that strawberries are one of the most contaminated foods in terms of pesticides and other chemicals, so you really want to buy organic.

    • You’re preaching to choir! Even so, according to TC Campbell and other Dr. G vids the effect of pesticides in fruit pales beside the effects of animal protein per se which probably accounts for at least 95% of all cancer. Meat would not pass FDA cancer screening tests! The chemical contaminants in fruit will not cause cancer unless you eat meat/dairy too. Also, the chemicals are even more concentrated in meat and milk and fish than in plants. My takeaway is that for vegans at least, conventionally grown food is not as bad as you’d think.

      • thx – good perspective

      • elsie blanche

        Dan, when you say that ” Meat would not pass FDA cancer screening tests!” what are you basing this on? Are you saying that fresh meat shows signs of cancer,
        present within the meat itself? Thanks for any clarity.

        • Yes Elsie, please read T. Colin Campbell’s books The China Study and Whole – animal protein turns tumor growth on and off. Campbell in Whole attributes 95% of all cancer to animal protein consumption. Dr. G also on this site has numerous postings showing meat has tumorigenic proteins in it, heme iron is carcinogenic and cooking (not burning) meat makes PhIP and your gut bacteria make TMAO. If you don’t eat animal protein you will almost guarantee to live cancer free.

  • Why did they choose strawberries for this amazing study? My impression is that in many scales, blueberries and blackberries are better. And we’ve just learned about cranberries. Is there any reason to think that any of these other berries would have the same or better impact? And what about the other powerful anticancer foods we’ve learned about here, e.g. amla, which I eat every day. Or, is it that we just don’t know? This information sure makes me feel good about being vegan.

    • [quote]

      This work was supported by the California Strawberry Commission and Faculty Startup Fund from the Division of Medical Oncology, Department of Internal Medicine, The Ohio State University.

      The costs of publication of this article were defrayed in part by the payment of page charges. This article must therefore be hereby marked advertisement in accordance with 18 U.S.C. Section 1734 solely to indicate this fact.


  • I would like to see studies made with tropical fruits because not everyone in the world can get cranberries and strawberries…… Whats the most anticancer tropical fruit?

  • Gary McElroy

    Dr. Greger, you said that berries are the healthiest fruit. Are you familiar with “Superfruits” by Paul Gross, PhD? On page 6 he ranks the top twenty true superfruits in descending order. Here’s the top ten:

    1. Mango
    2. Fig
    3. Orange
    4. Strawberry
    5. Goji (wolfberry)
    6. Red grape
    7. Cranberry
    8. Kiwifruit
    9. Papaya
    10. Blueberry

    • Berries, particularly wild (and rare ones) are higher in antioxidant content than other fruit (1) though antioxidant assays may simply be a proxy for polyphenol content which acts through non-antioxidant mechanisms (2).

      From (1) Antioxidant content in mmol/100g

      Berries (not incl. dried)

      Dog Rose 30.17
      Chokeberries, black, wild 13.48
      Blueberries 9.24
      Rock bramble, frozen, wild 8.51
      Bilberries, wild 8.06
      Crowberries 7.41
      Blackberries, wild 6.13
      Sour cherries, cultivated 5.50
      Blackcurrant, cultivated 5.49
      Wild strawberries 5.44
      Elderberries, black, wild 5.24
      Red whortleberries 4.99
      Blackberries, cultivated 4.53
      Blackberries, cultivated, frozen 3.97
      Sea buckthorn, berries 3.39
      Elderberries, cultivated 3.37
      Cranberries, cultivated 3.29
      Raspberries, cultivated 3.04
      Cloudberries, wild 2.98
      Raspberries, wild 2.73
      Blueberries, cultivated 2.55
      Rowanberries, wild 2.36
      Strawberries, cultivated 2.09

      and the highest ranking fruits:

      Pomegranate, whole 4.08
      Apples, dried 3.81
      Apricots, dried 3.11
      Grapes, blue Carmel 2.42
      Plums, Black Diamond 1.83
      Dates 1.48
      Plums 1.42
      Kiwi 1.24
      Apples, green, Greenstar Fruitmaster 1.22
      Pineapple 1.21
      Guava 1.20
      Raisins Sun Maid 1.14
      Juice, grapefruit 1.06


  • timtango

    Dr. Greger, Is it the effect of the flesh of the strawberry touching the esophagus wall on the way down or is the effect of the digested nutrients?

    • Thea

      I had the same question. I would guess that a little bit of both is going on, but I don’t know.

    • MillyM

      no flesh of the strawberry was touching the esophagus as it was freeze dried powdered strawberry used.

  • Pete Greider

    Unbelievable. Both the study and the pharmacists’ reactions.

    • Plantstrongdoc

      Yes, so interesting and fascinating – the power of the (right) food!!! And the reaction is almost stupid: Lets make a strawberry-pill……They dont get it; it is the whole fruit and not a single nutrient – T. Colin Campbell would agree on this…

  • MillyM

    Why did they use freeze dried powdered strawberries as opposed to fresh?


    • Kman

      Because it takes a lot of fresh strawberries to make a unit of freeze dried strawberry powder. The concentration of phytonutrients would me much higher.

    • Plantstrongdoc

      Probably to reduce volume, otherwise they had to eat more than a pound of fresh strawberries a day every day for months

      • MillyM

        that’s not a lot per day if it’s in a smoothie or something. Just seems fresh would be best.

  • Karl Young

    Unfortunately the main thing I feel after seeing a video like this is cranky. That seems like an important study and though I try to point as many people as I can towards this site and Dr. Greger, a large part of the effect of the video is no doubt just preaching to the choir (i.e. those of us already aware of the efficacy of a plant based diet). Anyone have any suggestions for even micro penetration of the big-pharma media block ?

    • HereHere

      I don’t feel cranky in the least! It do forward articles to friends, when I know the subject would interest them. Eventually, they will send one of the links to one of their friend’s. It’s not just ‘the choir’ that is reading these, although probably most often it is who comments. Everyone can spread the word a little bit. I do believe that visits to this site have grown by leaps and bounds.

    • Thea

      re: ideas for micro penetration

      This is definitely a micro idea, but getting the word out on a topic like this snowballs over time if people keep trying. This is what worked for me: 1) got permission to show the movie Forks Over Knives to my people where I work. 2) Followed up with an e-mail list of just those people who are interested. The “interested group” gets weekly education and support e-mails plus once a month meetings where we watch selected Dr. Greger videos. It works. I’ve helped several people where I work.

      Another idea is to get active with a “Meetup” group. Check out their website by subject and zip code. You are likely to be able to find a vegetarian and/or vegan group near you. These Meetup groups have a lot of visibility on the web and as long as the group is set up to be open to everyone, the groups end up attracting people who are interested in healthy and ethical eating, but who want to learn more. Thus the point is: By supporting the Meetup group in your area, you are helping to spread the word. (I recently showed Dr. Greger’s Uprooting… video at our local Meetup, and I know of two people who decided to become vegan by the end of the evening.)

      Finally, I agree with HereHere, you don’t want to annoy people. But if friends and family are open/interested in learning more, showing them Dr. Greger’s blogs from time to time and/or videos can be very helpful. You might also look up writings by other experts such as Dr. McDougal (sp?). That’s how I “converted” my parents! The trick is to be very gentle. You can’t push people or they will push back.

      Hope this helps. Best of luck to you.

      • Plantstrongdoc

        This “revolution” will come from the grassroots. People doing what you are doing, Thea. Not from government or the medical profession. Not from the medical industri – why should they – they make medicine, which often works, and people are happy to pop a pill. Radical new ideas are ridiculed within the medical community – there are several examples: Stomach ulcer and the fact that the reason is an infection with Helicobacter Pylori, Semmelweis claiming that doctors should wash their hands to reduce the risk of puerperal fever, and now we have a Doctor Greger MD, claiming that you can reduce your risk of heartdisease, stroke, cancer, hypertension, diabetes just by changing your diet to a whole food plant based diet! Whats next! Somebody claming that we were on the moon…..;-) Diet for prevention, reversal or treatment is considered with a high degree of skepticism within the medical community. This will not change overnight. In my experience (for what it is worth) doctors do not listen to this. They are also humans (yes it is true!) and a part of our meateating culture – they dont want to hear this either. Openminded, curious, intelligent, independent people listens – mostly women.

        The fact is that when the report returns from the pathologist, it says that the plaque from the arterie contained cholesterol and saturated fats – he never says remnants from tofu and broccoli (I think that was Michael Klaper).

        • Thea

          I love that part about tofu and broccoli.

          Thanks for the reply.

    • I agree with the other posts that it will have to come from the grass roots. We each have to do what we can as different folks adopt change at different rates and for different reasons. I give presentations to both lay and medical professionals… they get the concepts but may or may not accept them or act on them. Keep pointing out reliable sources of information… for me that is Dr. McDougall’s website, and PCRM. Keep spreading the word.

      • beccadoggie10

        Is Dr. McDougall’s website? I thought it belonged to Dr. Michael Greger. His name and picture are on it.

      • Jocy

        Hi, yesterday my 50 year-old brother was diagnosed with Invasive poorly differentiated adenocarcinoma of the esophagus. I have sent him this video, but we are all unsure if diet can help him at this point. Do you have any recommendations on what he can do at this stage from a food-based perspective? He will be simultaneously continuing on with the protocol set up by his oncologist.

  • elsie blanche

    Freeze-dried fruit INFLAMMATORY? A recent check of lists raisins and prunes as strongly
    inflammatory…cranberries as mildly inflammatory.

    Interestingly, raw, fresh grapes and plums are not listed nearly as high for inflammation. And fresh, raw blueberries list as mildly inflammatory. Dr. Greger, and/or anyone else out there with insight into this, is there the possibility that when we freeze-dry fruits such as cranberries, strawberries, blueberries, etc. we are creating inflammatory properties in these fruits? Is the information sourced from the website I referenced considered correct, according to the inflammatory readings it lists for the raw and fresh fruit I listed? Logic is telling me so far that there is a possibility that freeze-dried fruit is inflammatory, and that while it may have preventive, health-promtoing therapeutic effects, it may also, when not eaten raw, be creating inflammation. Anyone?

    • Nutritiondata’s IF rating is based on a formula by Monica Reinagel, not any experimental data on the foods.

      Her formula looks at macronutrients like sugars (which she considers inflammatory) and omega-3 fatty acids (which she considers anti-inflamatory), and only considers the antioxidant vitamins like C,E,and β-carotene, not the far more abundant polyphenols. Berries, especially freeze dried ones, are pretty high in sugar per 100g, and so in Reinagel’s formula their glycemic index dominates.

      Study after study demonstrate that some phytochemicals like the anthocyanins in berries can suppress NF-κB mediated inflammation, and these are ignored in Reinagel’s formula. While I think there are some insights behind the IF rating (for example, it is important to aim for a high n-3/n-6 ratio in fats), I wouldn’t rely on it for dietary advice.

      • elsie blanche

        This for this info. I may try contacting her to suggest she reconsider her choice in formulas to measure inflammation. Think it is worth it? A lot of people follow this “inflammation” rating of hers.

        • The IF rating system is a numerical formula applied to nutrient measures from the USDA National Nutrient Database for Standard Reference:

          Indeed, the entire nutritiondata website is simply a user-friendly interface to that USDA database. I myself have downloaded it when unhappy with how the nutritiondata website formatted data.

          There is no entry for total polyphenols, flavonoids or anthocyanins in current USDA data, so it seems unlikely that the Reinagel’s IF formula or ratings could be readily changed.

  • Ronald Chavin

    Why strawberries? So many other fruits, vegetables, legumes, and mushrooms could have been used to prove what we already knew, namely, that hundreds of different beneficial chemicals in plants and mushrooms can combine to prevent cancers from starting, reverse precancerous lesions, and slow down but not cure advanced cancers. Strawberries have one of the lowest antioxidant scores among berries because they contain less tannins than most other berries, cherries, pomegranates, and some exotic fruits. [Despite this, strawberries inhibited cancer better than all other berries in one Petri dish study]:

    Tannins are the most powerful antioxidants in the human diet and fruits berries, legumes, nuts, and whole grains with the highest antioxidant scores always contain the most tannins. These researchers should repeat this experiment with a high-tannin fruit or grain, such as triphala or sorghum.

    Low-tannin superfoods such as onions (high-organosulfur), garlic (high-organosulfur), broccoli (high-glucosinolate), cabbage (high-glucosinolate), red radishes (high-unblocked glucosinolate), soybeans (high-isoflavone), ground flaxseeds (high-lignan), rooibos tea (high-polyphenol), tomatoes (high-lycopene), Haematococcus pluvialis (high-astaxanthin), and fish oil (high-DHA) also need to be tested to see which works best against precancerous esophageal lesions. In my opinion, strawberries were a poor choice for this study because they are not high in anything. Eventually, we might be able to predict which specific hydrolyzable tannins and which specific condensed tannins (proanthocyanidins) would be extremely helpful or extremely harmful to precancerous esophageal lesions.

    Interestingly, the non-tannin anthocyanin polyphenol, pelargonidin, is responsible for the red color of both strawberries and red radishes. Anthocyanins are usually [but not always] accompanied by large amounts of tannins but are not tannins themselves. People who eat red radishes have extremely low incidences of cancers but unblocked glucosinolates, not pelargonidin, is given the credit for the amazing cancer-preventing ability of red radishes:

    Strawberries, apples, grapes, and bell peppers are extremely high in pesticide residues:

  • floridabuzz

    Great video! Will amla powder probably do the same thing? Are you going to add freeze-dried strawberries to your morning smoothie?

  • Vegangirl

    will you lose vital nutrients if you freeze your fresh strawberries? I eat them fresh and add them to my smoothies, but sometimes buy too many at once. please let me know

    • Veganrunner

      Hi vegan girl,

      Look under browse topics. There is a video on that. Whenever I have a health question that is my go-to source.

  • bobcchicago

    Dr. Greger

    Very important video. Thanks.

    I have Barrett’s stage C1-M3.

    Please tell me where do I get powdered strawberries? Thank you.

  • bobcchicago

    I found dried strawberries at but they are $15.99 per 4 OZ.

    Any ideas. This price is out of my budget. Thanks.

    • Burt

      Hi … I asked a question below, maybe it’s relevant to what you’re asking. I was wondering if juicing with organic strawberries would have the same effect. I don’t see why it wouldn’t … they say juicing is very effective etc. .. not sure why it has to be powdered strawberries. Any thoughts … anyone?

  • bobcchicago

    Hello Dr. Greger,

    Do you know if there are any on going studies that I could get into for this condition? Thank you.

  • Burt

    Interesting video. Couple of questions, how were the patients served the 1 to 2 oz. of powdered strawberries? Is it just diluted in water or something? And what I was wondering, wouldn’t juicing with organic strawberries be just as effective, if not more? Thanks for any replies.

    • Thea

      Burt: I’m not an expert, but I have these thoughts for you:

      Juicing tries to take the liquid out of the food and leaves the solid parts as waste. On the other hand, powdered fruit takes only the water out of the fruit (ideally), but tries to leave everything else behind, all nutrients and solids. So, there IS a significant difference between the two. (Assuming I understand correctly.)

      Put another way: For all I know, juicing would be very effective. The study did not look at juicing. However, it’s my understanding that powdered fruit would be more of the whole food compared to juicing. And whole foods seem to work better in many purposes. So, I would lean toward thinking that the powdered fruit would be more effective than juicing. But I don’t know that.

      So, if whole food is better, why not just eat the whole strawberry? Because with the powdered fruit, you can get more of the fruit into you without having to struggle as one would if one had to eat a pound or more of fully water-logged strawberries every day.

  • lovestobevegan

    Wish You to Get Well Bowl

    – ½ cup regular rolled oats
    – 1 cup water
    – 1 tsp Ceylon cinnamon
    – ⅛ tsp each, ground cloves, ground ginger, nutmeg
    – ½ cup organic* strawberries, quartered
    – 1 banana, sliced
    – 1 small orange, peeled and chopped
    – 14 walnut halves
    – 2 tbsp flaxseed meal

    Bring water to a boil and cook oats with spices and fruit (only if using frozen fruit). Lower heat and simmer oats to desired consistency. Add remaining ingredients to a bowl and top with cooked oats. Stir and top with a sprinkling of uncooked oats and dash cinnamon.

    Bookmark my new Plant-Based Emporium Facebook page for all my latest recipes.

    ~Complements of lovestobevegan

    • val

      Sometimes, I just soak the rolled oats in almond milk and then add my spices and fruits…nice change up: cool n’ creamy vs. warm n’ sticky…oats are awesome!

  • Linda Vee Sado

    prunes are great for osteoporosis too

  • Jim Carter

    I want to know more about the content of the study. I have a pre-cancer throat with barrett’s esophagus and I have a brother on month 8 of a 6 month termination date of esophageal cancer. I have a very real need to learn more. Just point me in the right direction.

    • Thea

      Jim: I’m sorry to hear about your and your brother’s health problem.

      I don’t know if this will help or not, but look just under the video. Dr. Greger includes a section on “sources cites”. All you have to do is expand the sources.

      Also, I don’t know if it will help or not, but check out the comments on this page (or maybe it was one of the related videos). People listed websites where you can buy powdered berries. Couldn’t hurt I would think to try ti.

      Best of luck to you both.

      • Jim Carter

        Thank you Thea. I was so caught up in the moment I didn’t take the time to search the site further then the posts.. I will now. Thanks again

        • Thea

          No problem. You aren’t the first person to miss the areas under the video and you won’t be the last. :-)

          Another idea for you: You can enter ‘cancer’ in the search area of this site and get back a TON of videos. While most of the videos won’t be specifically about esophageal cancer, I believe that the principles are likely to apply to most cancers. My point is that there is likely to be plenty of additional helpful information on this site about cancer. There are no guarantees, but there is a lot you and and your brother can to do help your odds.

          Take care.

          • Jim Carter

            Ok.. I’ve read through the papers and discovered that the tests used 30 g/d and 60 g/d.. Now, forgive my ignorance, what is “g/d”? And how would you convert the measurement to a “home” usable amount? signed Stumped.. lol

          • Toxins

            Grams per day I believe. An ounce of fresh strawberries is about 28 grams but they were most likely using dried.

          • CarolinaGirl

            30 grams per day, 60 grams per day This is equal roughly to 1 and 2 ounces.

  • Lyn Hartfield

    Having lost 3 members of my family to esophageal cancer, this article is very interesting. I was wondering if you can have the same effect with eating fresh strawberries or do they have to be freeze-dried? Thanks!

    • Thea

      Lyn: I’m so sorry to hear about your 3 family members. Wow, I find that shocking and sad to have so much of that kind of cancer in the same family.

      I’m not an expert in nutrition, but I thought I would offer my 2 cents worth on your question: Would fresh strawberries work just as well?

      Since the researchers didn’t actually study fresh strawberries, I don’t thing anyone can say for sure one way or the other. The question is, is there something especially effective about removing the moisture from the strawberries, amounting to feeding concentrated strawberry to people, that causes a more healthful effect than just eating the original strawberries themselves?

      My gut tells me that you could get just as much an effect eating the fresh strawberries – but that method would be hard to do in practice because of the pure volume of strawberries (and/or other berries?) that people would have to eat in order to equal what was ingested in the study.

      Just sharing a thought with you for whatever it is worth. :-) Maybe more knowledgeable people will share their opinion as well. Good luck to you.

      • Lyn Hartfield

        Thank you for your input Thea :)

  • Dr. D

    This is taken directly from the study:

    “Disclosure of Potential Conflicts of Interest

    Dr. Gary Stoner is part owner of BerriProducts, Inc., a
    company in Corvallis, Oregon that sells freeze-dried berries including

    Grant Support

    This work was supported by the California Strawberry
    Commission and Faculty Startup Fund from the Division of Medical Oncology, Department of Internal Medicine, The Ohio State University.

    The costs of publication of this article were defrayed in
    part by the payment of page charges. This article must therefore be hereby marked advertisement in accordance with 18 U.S.C. Section 1734 solely to indicate this fact.”

    Why is this conflict of interest ignored here but elucidated in other studies that conflict with the premises of this site?

    I am vegetarian for ethical reasons but let me be clear – I am also a scientist. As a scientist, I recognize that the data – when viewed objectively and as a whole – does not conclusively support vegan and/or vegetarian diets. Therefore, Dr. Greger let’s be more transparent about the personal and SUBJECTIVE beliefs guiding the research on this site. The fact that these conflicts of interest were ignored is simply egregious. You have a wonderful site here – don’t undermine your own work.

    • Thea

      Dr D.: re: “Why is this conflict of interest ignored here but elucidated in other studies that conflict with the premises of this site?” I can’t speak for Dr. Greger, but I can say that I consider the Sources Cited section to be quite adequate in addressing this concern. The vast majority of the time, Dr. Greger does not go into who funded the study one way or the other. And for good reasons. a) the videos need to be short so the info should only be shared when relevant and b) Dr. Greger is evaluating the studies for good science. If the science is good, the source of the funding is not that relevant.

      When relevant, the videos do discuss funding sources, including for industries like the kiwi industry. In other words, your suggestion that Dr. Greger only reveals funding sources for animal industry funded studies is simply not true.

      Everyone is welcome to use the Sources Cited section to check not only potential conflicts of interest, but the study design and details themselves. The latter of which is the real issue. In other words, is there really anything in the study itself that you have a problem with? If not…

      Which brings us to your other main point, “As a scientist, I recognize that the data – when viewed objectively and as a whole – does not conclusively support vegan and/or vegetarian
      diets.” It takes a lot more than being a generic scientist to know what the body of evidence tells us in regards to nutrition. A) It takes someone with medical/biology knowledge combined with the ability to evaluate study design. and B) It takes someone who actually has objectively reviewed a great deal of the data as a whole. For years and years, Dr. Greger has been reviewing literally thousands of studies (from every English journal he can get) each year in order to know what the body of evidence says. And of course, Dr. Greger is not the only person who has come to the conclusion that the body of evidence strongly supports a whole plant food based diet as the healthiest diet for humans.

      I would encourage you to watch many more videos on this site as well as reading books like The China Study, The Starch Solution, Whole, etc. And don’t forget to watch the movie Forks Over Knives. That sort of information would help you start to see what the body of evidence tells us and begin to understand how nutrition studies can look so good, even to someone generally trained with a scientific background, but not really be valid. The China Study has a great section in the back of the book that explains with a detailed example how difficult it can be for even scientists to find flaws in nutrition studies.

      As an aside: I applaud you for your ethical choices. I also encourage you to continue to learn about where your food comes from since dairy and eggs involve as much death and suffering (for both non-human and human animals) and environmental degradation as meat. (That’s off topic here and not something I will get into. I touched on it because you brought up the ethics argument, and I really appreciate people who care about ethics and then put it into action. I think you are a great person to be part of the NutritionFacts community and hope you will continue to learn.)

      Good luck.

      • Dr. D

        Thea, thank you for taking the time to write.

        I am quite familiar with this site. I am also quite familiar with sustainable farming issues and dietary research as my work requires that I stay informed.

        The resources you recommend I have seen and read – and they all have in common, along with this site, an entrance into scientific research with a point they are trying to prove. Nothing about this approach is truly scientific per se. I don’t mind having a particular point of view and then looking for “evidence” to prove it. I agree with the point of view of this site – however, I do not pretend that it’s solely guided by “objective” science because there are a plethora of well-designed studies that contradict the “facts” espoused on this site. Yet they are never addressed. Why? Because they affront the beliefs guiding this site.

        As a scientist, I cannot deny, especially from an epidemiological perspective, that some of the longest lived people/groups on this planet regularly eat meat and animal products (of course not in the voluminous amounts that Americans do). They are happy, healthy, and highly functional and independent well into their 80s, 90s, and sometimes post 100.

        So here’s my point: be transparent about the value commitments guiding the research you choose to focus on. Don’t hide values behind “facts”; it’s one of the oldest tricks in the book and its subtext is…”I am going to try to manipulate you to believe what I believe by convincing you that I know reality and you don’t.” This is lazy thinking, it is nothing new, and it drives fundamentalisms in all walks of life. Investigate for yourself. “If people knew what I know then they would get it…” This tendency is an ugly aspect of human nature.

        No one argues about what will happen if you drop a pen from your hand because we all know gravity. But people adamantly argue about nutrition facts. Why? Because they are much harder to discern. Human diet and nutrition is far too complex of a phenomenon to understand in black and white thinking. Be weary of anyone who covers life’s ambiguity with sweeping, broad-stroke answers and cures, including scientists. John Gray writes extensively about “Scientism.” Any true scientist know this temptation. Richard Dawkins also addresses this in many of his works.

        Instead, we should argue the value of vegan/vegetarian diets on ethical and philosophical grounds and not on empirical/scientific grounds. There is a difference between ideology and science. This site, and the resources you offered, all BELIEVE something to be true and then seek research that supports that belief and ignore or discredit anything that contradicts that point of view. THIS IS NOT SCIENCE. True science is terribly messy, conflicting, and painfully slow to evolve and nowhere is this more evident than in diet and nutrition.

        Last thing — even if science conclusively proved that eating animals products, in any amount, was better for one’s health than eating a plant-based diet, I would still be a vegetarian because I believe being a vegetarian actualizes my humanity. This understanding transcends science because we are human beings before we are scientists. We should not be afraid to justify our choices on ethical grounds. This is what gnaws at me about vegetarian and vegan communities – they pretend that they are not zealots and act like their lifestyle choice is purely scientific. 99% of people who become vegan/vegetarian do so NOT because of scientific evidence but because they BELIEVE and/or feel (yes, emotion) it is the right thing to do. Then they seek science to support that conviction.

        So let’s be honest about our convictions and that they precede science. There is nothing wrong with this because total objectivity is a farce. Philosophy refuted positivism over a 100 years ago and yet it still lives in scientific discourse and practice. Read Elliot Eisner’s article “Objectivity in Educational Research” or Chargaff’s “In Dispraise of Reductionism.” I also highly recommend you read the works of Peter Singer if you have not already explored them.

        Being a scientist means understanding the epistemological commitments guiding research and the world-views at the heart of such conceptions. Too often this site is completely and conveniently oblivious to the value commitments guiding what is posted and what is not posted. Just be honest about why.


      • bobcchicago


        I have Barrett’s Esophagus –are there any on
        going studies for treatment that you know of that I could perhaps take
        part in?

        Thank you.

        • Thea

          bobcchicago: I don’t know how I missed this one! I’m sorry I didn’t reply sooner. I’m sorry to hear about your problems. Unfortunately, I’m not a doctor and am not aware of any type of studies for any type of disease. I’m just not in the know on that kind of thing.

          I wish you the best of luck. I hope you find something.

          • bobcchicago

            Hello Thea,

            Thank you for your reply and wishes.

            Be well.

    • LewPatrick

      Dr. D:

      I don’t have your advanced degree behind my name but I can tell you from personal experience in 2013 I used this protocol to completely eliminate my reflux problem. I used the powdered strawberry twice a day(one ounce in eight ounces of water). My esophagus problem was confirmed by an upper GI prior to starting the protocol. I did not have Barrett’s esophagus, but my doctor advised me not to postpone additional treatment. I had reflux problems for over 15 years. I had to either sleep with additional pillows to prop me up or sleep on my right side. The protocol relieved 90% of my symptoms in less than 60 days. By the time I finished the protocol I was totally symptom free. All of this without the Nexium my doctor prescribed. You make some salient points in your post. However, I would look at the pharmaceutical industry and their manipulation of research as well. The harm the pharmaceutical industry has caused with their junk science and “bought and paid for research”, now that is egregious.

  • Sebastian Tristan

    I believe turmeric is also very efficient at preventing/killing esophageal cancer. I would love to see the Doc tackle this subject.

  • Mike Cross

    The seeds of many berries like strawberries, blackberries etc contain amygdalin which will destroy cancer cells so i believe that including all these fruit raw and fresh and organic in our diet will stop the accumulation of cancerous cells into what we call tumours, i doubt that they will deal with the billions of cells in a large/several tumours…….mike Cross

  • Guest

    Dear Dr. Michael Greger
    I have watched your post on regarding the Freezed Dried Strawberries for Esophagus. I have Barrett’s Esophagus and I am willing to try that. I would like to ask you ,If you could provide me with the information whether or not I have to buy organic freezed dried strawberries or can be the regular ones. Perhaps you know what type of strawberries they used on those patients.. Also would it be the same if instead of the freezed dried I can use fresh ones. Is there a reason for that they used freezed dried strawberries on those patients? Would you recommend a place or a good brand of those strawberries is best to buy?
    Thank you kindly Dr.Greger for your respond ,

  • bobcchicago

    Dr. Greger –

    I have Barrett’s Esophagus –are there any on going studies for treatment that you know of that I could perhaps take part in? Thank you.

  • CathK

    Thank you so much for this video I suffer from reflux esophigitus, so have some damage I will try this with out a doubt, more post like this please.

  • bobcchicago

    Dr. Greger –

    I have Barrett’s Esophagus –are there any on
    going studies for treatment that you know of that I could perhaps take
    part in? Thank you.

  • bastiara

    My husband has esophageal cancer but is unable to eat or drink – all nutrition is received thru a feeding it possible to make a drink using the strawberries that can be fed thru the tube ..or will it damage the tube

    • TheBlackSheep

      Juice the strawberries or blend them up into a smoothie like substance. He’ll then get the compounds that are in the strawberries and you won’t damage the tube.

  • Emily Honeycutt

    What about enemas with plant products like wheatgrass for colorectal cancer? (This is done at Hippocrates Health Institute in Florida, along with coffee enemas.) If strawberry powder down the esophagus reverses esophageal cancer, why wouldn’t strawberry powder (or another powerful antioxidant like wheatgrass) reverse colorectal cancer if inserted in the other end? Are there any studies on this? (My husband was just diagnosed with rectal cancer in August and we are seeking alternatives to chemo/radiation/surgery). Thanks!

  • ofer

    is there any link to buy this product?

  • Denis Spasyuk

    Interesting, what about good jams?

    • Joseph Gonzales R.D.

      Sure. Jam is delicious!

      • Denis Spasyuk

        I know, but are they healthy?

        • Joseph Gonzales R.D.

          Depends. The fresh stuff with less sugar is probably fine. Refined sugar and processed crap not as beneficial. My friend used to pick berries and make jam. It was sweet (i think he added sugar, most all jams do) but I could taste the fresh berries and the seed stuck in my teeth. It is also relative to how much you eat. 1/2 cup of grape jelly probably not ideal, but 1-2 TBSP of fresh jam or fig jelly a better choice.

          • Denis Spasyuk

            I tend not to eat much and most of the jams I eat are very low in sugar 4-6 g per tbs. Thanks for your comment.

  • What’s in your magic mix for Diabetes?

    • Joseph Gonzales R.D.

      These studies give insight into helping treat diabetes. From Dr. Barnard’s research, study participants received either a low-fat vegan diet or a typical diet for diabetes and found significant changes in weight loss and insulin levels. Dr. Greger presents the study in this video.

    • 2tsaybow

      Amla in my smoothie!

  • badgett

    My wife is starting chemotherapy for recurrent metastatic breast cancer. Would eating 60g of freeze dried or one pound of fresh strawberries per day interfere with her Gemzar chemo?

  • Sally Oh

    Fascinating. Thank you.

  • Veggie Eric

    This video was the one that made me a 100% believer in the power of a WFPB diet to heal and protect the body. I can’t thank you enough for this and everything you do Dr. G.

  • Tim

    Here’s a question, If I were to ingest organic strawberry powder on a daily basis, would it need to be with water? In other words, is it specifically the nutritional content digested that helps reverse pre-cancerous lesions or may it have to do with direct exposure to the damaged esophagus?

  • Lisa

    There has been a recent trial on lung cancer patients and research on melanoma that antioxidants actually fuel cancer cells. Now I’m really confused!

  • coy stroud (smokey)

    that’s fake smoking weed onley cures cancer.

  • coy stroud (smokey)

    it tells the brain to tell the cancer cells to die out when your high.

  • LewPatrick

    I suffered from reflux for over 15 years. I refused to take the drugs to treat this problem. Could not sleep on my left side. Sometimes I had to elevate my upper body to sleep. In 2013 I had an upper GI. Fortunately, I had not progressed to Barrett’s Esophagus but the area was quite inflamed. Shortly after the upper GI I had the good fortune to find Dr. Gregor’s article on this study. I ordered a 6-month supply of the powdered strawberries and started taking it twice a day as was noted in the study. I also reduced my refined sugar intake and did not have any sugar after noon. The source I used was North Bay Trading Co. The total cost for a 6-month supply was about $400. In about 45-60 days my symptoms had reduced by 90%. I was able to sleep in any position. Bear in mind that I did not use organic strawberry powder, although the source has that available as well. Today I am symptom free. The only time I have a hint of reflux is when I indulge in too much sugar. Additionally, I have made some dietary changes. I was already eating a very nutritious diet before. I hope this can help some people out there that are suffering from this problem. This protocol worked for me!! Sorry to be so long winded.

    • JohnC

      Didn’t you find the strawberries cause reflux symptoms as they are rather tart?

      • LewPatrick


        I did not have that problem. All I can say is that it worked for me. As an addendum, I realized why the refined sugar had such an effect on my reflux. The more I read, the more I find that the all diseases have one thing in common, inflammation. Sugar is not only very acidizing to the body but causes inflammation. All I can say is that this protocol worked for me.

        • JohnC

          Thanks Lew.
          I am curious exactly how you took it. Did you put in a smoothie?
          The study calls for 1-2 ounces a day. That is quite a lot. Is that how much you took? Thanks.

          • LewPatrick

            John: If you look up the abstract on this study, the protocol calls for 1 ounce 2X/day. One ounce is 3 tablespoons. Mix in 8 ounces(1 cup) of filtered(not tap, no chlorine) water. Shake the mixture up and drink slowly over a 10-15 minute period to coat the esophagus. Also, take after meals. Try not to drink anything for a couple of hours. The longer the mixture can stay on the esophagus the better it is. I took the second dose about an hour before bedtime and didn’t drink anything else until the next morning.

          • JohnC

            Thank you. I have some freeze dried strawberries pieces. I
            measured 1 ounce (28 grams) and then put them in a grinder. The amount
            of powder came out to much more than 3 tablespoons. More like 1/2 cup. Are you referring to another form of measurement such as fluid ounce?

  • Glutenfree16

    I just had an endoscopy to confirm/disprove Celiac Disease. During the scope, two small “mucosal nodules” were biopsied and noted in the report. As I lost my mother to gastric cancer, I am admittedly uneasy about the week I need to wait for the results. Regardless of the outcome, I feel as though the remarkable protocol above can only help me. My only issue is this: the cost difference between “freeze dried organic strawberry powder” and the “freeze dried strawberry bits and powder” (non-organic) from a distributor mentioned below is SIGNIFICANT…like 3X as expensive or $200/mo. vs. $60/mo. at max. serving of 2oz./day.
    I understand that strawberries are very prone to pesticide contamination, but l’m trying to digest (pun) laying out $200 per month just in strawberry powder. Can anyone provide a realistic view on the risk of pesticides in the non-organic product? Putting this into to practice for my health is very important to me, but I don’t want to bankrupt my family in the process. Thanks so much for any thoughts.

    • Noah99

      Hey man, sorry for the late reply, I hope I can still be of help!

      Dr. Michael Greger had said about the topic of pesticides, that of course you should try to buy organic, but if you can’t, buy non oganic!
      He even advocates eating the most heavily sprayed fruits and veggies, even if they are non-organic, because the benifits clearly outweigh the risks.

      If it comes down to non-organic or none, you know what to chose!

  • Esp

    Is it important to consume organic strawberries? Ir is my understanding that non- organic strawberries are some of the worst fruits that contain high amounts of pesticides, perhaps counteracting their desired wholesome effect.

    • Noah99

      Dr. Michael Greger had said about the topic of pesticides, that of course you should try to buy organic, but if you can’t, buy non oganic!
      He even advocates eating the most heavily sprayed fruits and veggies, even if they are non-organic, because the benifits clearly outweigh the risks.

      If it comes down to non-organic or none, you know what to chose!

  • nuncha

    sugar feeds cancer and you have to be very careful with berries and pesticides herbicides this looks really bogus to me

  • DiagnosedwithBE

    The effective amount of strawberry powder was 60 grams. Can you tell me if that would be a weight or volume measurement?