Doctor's Note

My reference to the cancer risk associated with even light drinking (up to one drink per day) is explored in Breast Cancer & Alcohol: How Much is Safe?

Wasn’t there a study that found that fruits and vegetables weren’t protective against cancer, though? See my video on the EPIC Study.

For more on the aromatase story, see:

More on grapes in Fat Burning Via Flavonoids and Best Fruit Juice.

What if you already have breast cancer, though? Well, Cancer Prevention & Treatment May Be the Same Thing, but I do have been a few studies on breast cancer survival and diet:

Also, be sure to check out my associated blog posts for more context: Breast Cancer & Alcohol: How Much is Safe? and Breast Cancer & Wine.

If you haven’t yet, you can subscribe to my videos for free by clicking here.

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  • Marty

    The last comment in the video was to eat red grapes with seeds. I’d like too but they are no longer produced. They’re not even availabe at health food stores. I’ve asked for them but I’m told there is no demand. So next time you’re at your store, let your voice be heard.

    • Bat Marty

      we have them in Itay..

  • cpgraettinger

    do you need to eat the seeds or is there something inherently different about the flesh of gapes that have seeds?

    • vegan2u

      Eat the seeds! Very nutritious

  • David

    I love todays video for a number of reasons: 1) It shows women, without going thru breast removal surgery as to how they can decrease the risk of breast cancer (as well as cancer in general, cardiovascular disease, diabetes, and the list goes on and on). 2) Many state that drinking wine has health advantages – as the video indicates its best to eat the grape, receive the health benefits and avoid the down side of alcohol, such as the fact that alcohol attacks fatty tissue, much of what the brain in composed of! 3) The video emphasizes the importance of not putting off a transition toward healthier eating, because when a symptom appears, such as dementia for example, its the result of what the person has been consuming for the last 10-20 years! What we do today determines our tomorrows.

    Thanks Dr Greger for another great lesson in health !

  • vegan2u

    Dr Greger, Great info, I saw somewhere that you were on Dr Oz, has it aired? If so, please let me know when or when it intends to air..thank you

  • Thea

    Nice special effects. (the twinkling) Sort of reminded me of your older videos where we got to guess before you revealed an answer. I really like that format. I gets my brain into more active listening.

    But I gotsa say, I aint eaten no seeds! :-0

  • Ronald Chavin

    Dr. Greger seems to contradict himself between his videos on light alcohol drinking:

  • Jean

    I believe I read somewhere that wine confers cardiovascular benefits above and beyond grapes because of some chemical that is produced in the fermentation process. I wonder if the same might be true for this aromatase activity of red wine. OK – I’ll admit it – I’m a woman who loves red wine (and drinks it in moderation).

    • Lyra

      Here’s to women who love their wine! :) That said, I’m grateful for this new info because now I know how to lower my risk by choosing the right wine. And I love red wine far better than white, anyway, so this is good news indeed. Seems to me that if you are eating right (vegan), exercising regularly, and getting your five to nine servings of fruits and vegies, drinking in moderation is less risky. But I’d like to see more studies. The trouble is, most of these studies are carried out with subjects who eat meat and/or dairy, not with vegans. So I wonder how vegans wine drinkers would stack up agains people who don’t consume wine or alcohol but do eat a standard American diet centered on meat and dairy consumption. I’d be willing to wager that the vegan wine drinkers would still have much lower cancer risk due to a healthier lifestyle overall. To your health… Salud!


    Is there any research that compares alcohol consumption with a standard American diet to alcohol consumption with a plant based diet? Does not alcohol speed some things into the blood stream that might otherwise pass through the system?

    • I’m not aware of any studies on alcohol consumption and SAD vs plant based diet. I also don’t know any studies that show interference of the absorption of nutrients by alcohol. However, alcohol consumption should be limited as it is viewed by the body as a toxin creating a myriad of effects on all systems (e.g. nervous, arterial, liver, endocrine). It is common to see vitamin deficiencies in folks who drink a lot of alcohol due to the lack of consumption of healthy foods. Alcohol(7) is more calorie dense then carbohydrates(4) or protein(4)… not as calorie dense as oil(9).

  • Bike123

    White wine comes from red grapes, but is separated immediately from the skins and seeds.

  • Darryl

    BTW, white wine is produced from the same grapes as red; they just discard the skins (and most of the intriguing polyphenols) for white wine production.

    Wine has resveratrol, beer has zantholhumol, but its possible ethanol itself is a hormetin, with positive effects, even on cancer mortality, at around one serving per day. See figure 4:

    Jin, M., et al. “Alcohol drinking and all cancer mortality: a meta-analysis.” Annals of Oncology 24.3 (2013): 807-816.

    • Ivan

      Wow, no white wine isn’t produced from the same grapes as red. No varietal uses the same grape as any other varietal. Some white wines do have reddish/bluish skins, but the most popular — Chardonnay, Riesling, Sauvignon Blanc, etc. are all produced from green skinned/white grapes.

      Yes I know this comment is old, but for posterity …

  • Jitka

    In Italy there are no grapes without seeds. In Britain there are no grapes with seed . Which is more natural? British grapes are are sterile, fruitless fruits!!

  • DragonDad

    You can get grape seed oil to replace eating the grape seeds

  • Stephen Lucker Kelly

    I was just wondering if you know any websites that focus more on plant based nutrition in the UK? As this is mostly centred round the US? So do you know a good doctor I can follow on plant based nutrition who focuses more on sources in the uk?

  • Rubal

    Hi Dr. Greger, I’m a US medical student and fully support your website. There is absolutely nothing like it out there that I’ve come across! I was hoping you would shed some light on Resveratrol supplements as there have been so many studies but its getting hard for me to wrap my head around all the information. Thank you so much for your work!!

  • Sebastian Tristan

    I must have missed this one: Are you saying that Red wine isn’t healthy after all?

    • Joffre

      Greger does implicitly say red wine is unhealthy, and his main point is that red wine has been scientifically proven to ameliorate the breast cancer risk associated with alchool intake.