Whole food sources of fat such as nuts, seeds, and avocados are likely superior.
Extra Virgin Olive Oil
Doctor's Note
Learn more about the health benefits of mono- and polyunsaturated fats in these recent videos:
- Are Avocados Good for You?
- Optimal Phytosterol Source
- Extra Virgin Olive Oil vs. Nuts
- Four Nuts Once a Month
- Nuts May Help Prevent Death
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Insane!
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What struck you in particular?
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T. Colin Campbell, Caldwell Essylsten and the doctors of their kind appearing in Forks Over Knives claim that olive oil is not healthy. What are your thoughts on this?
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They are right on the money.
And don’t limit it to simply Esselstyn & Campbell. McDougall, R. Vogel, L. Rudel, & myriad others agree.
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What about saturated fat in whole plant foods? Is that damaging endothelial cells to?
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I’ve heard a lot of wishy washy info about olive oil too. It’s good for you…it’s bad for you, back and forth. I still choose it over all other oils but would love to learn more. How much is too much of this oil? Is there anything to be concerned about in using it? I can’t believe the bunny batter idea. That is horrifying!
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The idea is to eat whole foods plant based and oil does not fit this criteria. Oil apparently damages your epithelial cell wall in your veins which keeps things running smooth and allows your blood vessels to expand and contract properly. T. Colin Campbell explains this on his lecture on “how to be heart attack proof”.
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Please see Caldwell Esselstyn’s “How to make yourself heart attack proof”.
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I’ve read Dr. Campbell’s material and Esselstyn’s material. They generalize studies on a few oils to all oils. Aside from those who tout the benefits as “an expert” who has studied what everyone has written, there are many people who make comments on all of the videos and articles about coconut oil how they had their HDL and LDL tested after starting on coconut oil and they improved dramatically. Personally, my doctor said I have better cholesterol levels than a 25 year old and I am almost 60, but I am also a raw vegan so that doesn’t prove the coconut oil I take helps. If you (or anyone else reading this) can show me a study where they did the same tests as on animal fats etc. on cold pressed virgin coconut oil and demonstrated that it actually damaged the epithelial cells rather than just extrapolating from tests on other oils, I would greatly appreciate it. Please believe me, I am not saying this to challenge anyone’s statements, I just am not sure such generalizations are always valid and I would like to see a study or experiment validating their assumptions. Thanks in advance!
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If one is going to eat oil to some degree, what are the best and worst oils to eat? This video seems to indicate that olive oil is not harmful, but is it helpful? If not, where did that widespread idea come from? How about other oils? Please advise.
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Excellent Questions yurple and maybush1!
Although this video says olive oil had no effect on health, one must consider other studies as well and how one defines health. All oils are basically liquid fat. They are empty of phytonutrients, vitamins, minerals and fiber. They contain only fat and calories. Oil is the definition of empty calories, food without nutrition. Check out this excellent short video with Jeff Novick discussing this topic, specifically on olive oil. http://www.youtube.com/watch?v=lbALgjmZUek
If you don’t care about fat, and are more interested in oil’s damage, Dr. Caldwell Essylsten provides this answer. According to Caldwell Essylsten, all oils, including olive oil, cause damage to your endothelial cells within your blood vessels. These cells are very important, as they are responsible for contracting and expanding your blood vessels as well as keeping your blood running smoothly. A damaged endothelial cell wall means low performance during physical activity as well as an increased risk in heart attack since a healthy endothelial cell wall does not allow arterial blockages to form. You can see that video here http://video.google.com/videoplay?docid=-5215695644951404318 Nuts, on the other hand, are extremely nourishing and health promoting. They provide you with the necessary fat intake you need for proper nutrient absorption and health. Check out Dr. Greger’s video about it here: http://nutritionfacts.org/videos/forego-fat-free-dressings
Olive oil can be considered the healthiest of the oils, but it is not health promoting. The idea came from studying the Mediterranean diet. But not just any Mediterranean diet, specifically in the island of Croatia. They ate a primarily plant based diet with some meats and used olive oil in their foods. They were much healthier than Americans at the time and people were wandering why this was so. To mimic them, people began to use olive oil (the whole “plant” idea didn’t transfer over I guess). This was done in the earlier years of the 1900’s. Now, Croatia is much more Americanized and they are getting just as sick as the average American.
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Correction: The island of “CRETE”.
Croatia is not an Island.
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Actually, in most of Vogel & Rudel’s studies, canola oil is found to have slightly fewer deleterious effects than olive oil (which does result in endothelial cell inflammation and reduced brachial flow).
But before anyone run for canola oil, while polyunsaturated fats may have fewer adverse effects at low concentrations than either mono or unsaturated fat, at higher concentrations they seem to be just as bad as the others.
And while one can debate how much endothelial cell inflammation results, none of the studies show any fat to avoid causing inflammation in situations where inflammation was not present, or to reduce existing endothelial cell inflammation.
And additional studies show the Persin content in avocados to overwhelm and to negate any discussion regarding the fat content in avocados…
Thus while the total synergetic effects of the total contents of nuts such as walnuts may have a net positive effect on health, there still seems no solid evidence to suggest that more than a target of about 10% of fat from whole plant sources is beneficial.
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Interesting reference on the Mediterranean Diet, though you have me stumped on ” the island of Croatia” – I think you mean Crete. I live just down the Med in Cyprus.
What I will say is that there are many different kinds of Olive Oil – the Salad Oil or Pomace Oil from the later pressings and the good stuff from the first pressing. We have the luxury of being able to grow Olives and take them to the mill to make our own oil, it’s thick and syrupy, nothing like the stuff in the stores. We also eat olives (much as they do in Crete)
I suspect many of the problems are due to the commercialization of Food Processing – where age old production methods take too long to be viable in our consumerist society, hence much of the nutritional value is lost during the processing stage.
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Please advise about consuming oil, in general. If one is going to consume any, which are the best? Worst? I see this video says olive oil isn’t harmful, but is it helpful? If not, where did that widespread idea arise? How about other oils? Safflower? Sunflower? Canola (also touted as good)? Corn? Soy? What about if organic? Please advise and thanks.
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all oil is bed for us
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Good questions Yurple. I would like to know more as well. Thanks.
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Hello Maybush! Please see my comment above that answers your question
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Hi Toxins, but Dr. Greger mentions in this video, as Yurple observed, that eating high fat plant-based oils “such as olive oil” is not harmful on the epithelial lining and that high fat nuts, such as walnuts, are actually beneficial for them.
So, Dr. Greger says that there is NO harm in consuming olive oil, while Dr. Campbell says that it damages the epithelial lining of arteries (based on animal studies?). So, again which is correct…for *humans*?
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Interesting observation Maybush1!
To answer that, have you heard of the brachial artery tourniquet test? It measures the blood vessel expansion in your arm after a meal. They cut off the circulation for 5 min. and then release to see what happens. If it was an unhealthy meal, then your blood vessels do not expand. Normally they should inflate allowing a surge of blood flow. You can read about who fails this test here http://www.vegsource.com/articles2/esselstyn_collapse_print.htm and sure enough, people who consume olive oil experience endothelial cell damage. Their vessels do not expand normally. This happened with all oils. Dr. McDougal acknowledges this same fact as well http://www.drmcdougall.com/misc/2007nl/aug/oils.htm So it seems olive oil is not health promoting based on the brachial artery tourniquet test. Check out this video by Dr. Greger that show some foods that will help out with some of that excess fat! http://nutritionfacts.org/videos/waistline-slimming-food/
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Hi Toxins and thanks for the reply! The BART test seems like a promising test to perform, although the oil tests seem to be short snapshots in time (that shows BART tests soon after consumption of olive oil-enriched foods). So, I’m not sure how accurate a BART test is in forecasting the deleterious effects of olive oil on the arteries over a long time.
It’s fascinating information nonetheless!
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Glad you enjoyed it! I actually stumbled upon this 4 minute video of Dr. Caldwell Essylsten detailing on olive oil if your interested!
http://www.youtube.com/watch?v=b_o4YBQPKtQ
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Is there any opinion//science on Avocado oil (like for salad dressing? Is it a processed fat junk food to be avoided as well?
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Vallis, remember that oil is purely fat without nutrients. If we had Kale oil, its the fat from the kale without any nutrients. I believe it qualifies as junk food since it is empty calories.
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Go watch Dr. Greger’s “Are avocados good for you” and think about how or why Persin in the oil would be any better for you than Persin in the avocado…
No, per Vogel’s brachial flow tourniquet tests, Rudel’s extensive long term studies, nor Esselstyn’s clinical studies, etc., does ANY oil avoid the problems.
ALL oils are processed foods!
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I think the more important message Dr.Greger is trying to point out is how nuts and avocados are NOT detrimental to our health and many of the extreme fat-phobic vegan health gurus like Jeff Novick may actually have it wrong telling people not to eat nuts or avocados.
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Sorry, but this is NOT supported by evidence!
Vogel conclusively shows that ALL of the fats (& oils) result in reduced blood flow via the brachial flow tourniquet tests, and Dr. Greger goes on to dispel the nonsense that Persin containing DNA damaging (to use an understatement) avocados are good for you in “Are avocados Bad for you”, nor do the Myriad studies on the effects of fats on causation of endothelial cell inflammation indicate that ANY percentage of fats from WHOLE plant foods above ~10% are healthy.
So, when does someone ask if the amazing magical coconut oil is exempt as well?
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Wow Chris, you should watch Jeff Novick’s DVD on nuts or listen to his actual lectures. I saw him at the McDougall program & bought his DVD. He actually recommend 1-2 servings a day of nuts/seeds/avocados and depending on the person, up to 4 oz/ day. I would not call that, fat-phobic.
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I’ve just read McDougall’s book “The starch solution”, where he recommends to avoid completely all kinds of oils, including olive oil. According to this video olive oil would have no positive or negative effects in your health. So, what is the conclusion in this point, given that olive oil is a great flavor in my meals, I would like to know if I sould give up the consumption of this food.
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What is your take on the recent NEJM article about the Mediterranean Diet? http://www.nytimes.com/2013/02/26/health/mediterranean-diet-can-cut-heart-disease-study-finds.html?pagewanted=all&_r=0
It seems to be stirring up some controversy.
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Check out Dr. Ornish’s take: http://huff.to/13IhhN7
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The postprandial effect of components of the Mediterranean diet on endothelial function, R. Vogel MD, et al.
“Conclusions: In terms of their effects on postprandial endothelial function, the beneficial components of the Mediterranean & Lyon Diet Heart Study diets appear to be the antioxidant-rich foods—vegetables, fruits, & their derivatives such as vinegar, & omega-3-rich fish & canola oils—NOT olive oil.
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Canola oil may share some of the unique vasoprotective properties of other omega-3-rich oils, such as fish oil.
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Dietary fruits, vegetables, & their products appear to provide some protection against the direct impairment in endothelial function produced by high-fat foods, including olive oil.”
Thus, the oil is not providing any protective benefit, rather it is the effect of the whole anti-oxidant rich plant foods that are doing the heavy lifting. Just think how much more effective they might be if some of the damaging refined fat sources are removed?
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So here high fat Persin containing avocados are healthy?
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Seek Jesus and HE will solve all of your problems, nothing else will. God Bless.
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How to best fry an onion?
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barbarabrussels: Must the onion be “fried”? I chop up my onions and then microwave them for about 3-4 minutes. No oil or anything needs to be added. The onions come out translucent and sweet – just as if they had been sauteed. But missing the oily mouth feel of course. It not only works great in terms of results, but it is much easier/less hassle.
Just an idea for you.
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Doesn’t the microwave damage the cells? I’ve read a lot of bad things about microwaving, that it damages proteins and changes fatty acid structure, and makes food less healthy… so I’m hesitant to use the microwave too much
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delana: Sorry it took me so long to reply.
Concerning microwaving food: I know that there is a whole lot of concern on the intranet, but I have not seen any legitimate concerns myself. If you are interested learning more about why I am not concerned, check out this great page:
http://www.drmyattswellnessclub.com/Microwave.htm
Hope that helps.
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unable to hear any of the presentation due to bad audio
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I just watched one of your videos about avocado damaging dna and here you say avocado is good so now I am confused.
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what video was this?! Are you sure he wasn’t talking about the extracted oil?
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Is there any scientific research to show that oil pulling is legit?
I recently stumbled across some facebook links showcasing all the amazing health benefits. In case you haven’t heard about it, oil pulling refers to putting a tablespoon of oil, any kind but preferably coconut, into your mouth & swishing it around for 20 minutes. Then you spit it out & brush your teeth. All I can imagine is that coating your mouth with lard & then brushing it away offers textile contrast, tricking your brain into thinking your mouth is cleaner.
If there are any studies showing that oil pulling really does increase oral health, I would love to know.
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I’m really interested to know this too; I have tried it and it did feel nice. Coconut oil also did genuinely alleviate a severe tooth ache caused by an infection I had, but Garlic was sometimes equally effective (Though slower acting and less pleasant?) I still think there may be some useful functions for coconut oil in moderation, but I think cooking every meal in it is probably a very bad idea.
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We know that olive oil triggers desaturase, which converts palmitic acid — a bad saturated fatty acid that the WHO places in the same category of carvdiovascular disease risk as transfats — it converts it into palmitoleic acid, a very beneficial monunsaturated fat. Olive oil is what makes the mediterranean diet work! Palmitoleic acid is like olive oil on steroids!
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Thank you for this info!! I was just asking about why studies show the extra virgin olive oil rich Mediterranean diet is so beneficial to heart health!
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Is there any science suggesting we can eat an excess of good fats, or are good fats similar to vegetables, in that, it seems, we can shamelessly indulge to our heart’s content? In other words, is there a possible risk to having 150 or 200 grams a day of nuts, olive and canola, and avocado?
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Olive oil neutral? Whatta relief! I can’t see life without it. Its the only fat I buy. So, I’ll continue to have my salads & veggies, with a little EVOO, lemon juice or vinegar, and some chopped walnuts.
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Pritikin also feel that olive oil is BAD see link below
https://www.pritikin.com/your-health/healthy-living/eating-right/1103-whats-wrong-with-olive-oil.html
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I have a slight beef with what Dr Essylsten states during his presentations, while I have high respect for the man, I recently saw him totally nullify any potential good in green smoothies that may contain some fruit. While I understand the pulverizing of food makes it easier to digest which can trigger insulin spikes. While this is true to a certain degree, how many parents out there are pissed off by those types of comments that effects what they are trying to do for their kids? First of all, kids tend to exercise more and they can burn off the sugar. Personally, I use so many high fiber foods in my kids smoothies, I’d be surprised that this is damaging to any degree. No Oil! No Oil! How many times do you hear this, that is crap, even Dr Greger recognizes that nuts are a healthy food for us. If he is addressing only heart attack patients, then he needs to say that, he also flip flops on this topic, I have also heard him state that Chia seeds or Flax seeds are OK on your morning oatmeal. Which is it? They have oil, Dr Furhman even states that blueberries help stave off sugar spikes. He needs to relax and encourage people that are trying to do the right thing by their kids and quit being such a naysayer to everything he may not see as helpful.
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vegan2u: You wrote, “No Oil! How many times do you hear this, … even Dr Greger recognizes that nuts are a healthy food for us.” I have read Dr. Esselstyn’s work and also listened to several of this talks. It has always been clear to me that, “NO OIL!” means no processed/extracted oil. He means, no peanut oil. He’s not talking about the peanuts. He means no corn oil. He’s not talking about the corn, etc. And if you watch enough videos on NutritionFacts, you will see that Dr. Greger agrees that extracted oils are unhealthy for everyone.
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Thus, there is no flip flopping when Dr. Esselstyn talks about the benefits of flaxseed or chia seeds. Those are not extracted oils. Dr. Esselstyn even has a recipe that includes walnuts in his book about preventing heart disease. He just makes it clear in that book that for people with heart disease, they should really be careful about how much fat they take in. Thus maybe such people should skip the recipe. The distinction between most nuts and flaxseed/chia seed is the giant amount of omega 3s in flaxseed. So, again, Dr. Esselstyn is being consistent. (Though this is an area that Dr. Greger and Dr. Esselstyn might disagree. I don’t speak for Dr. Greger, but based on his videos and recommendations, I think Dr. Greger might recommend 1 ounce of nuts even to heart disease patients. Though I don’t know.)
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I hope this clears up the confusion.
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is olive oil okay to use to start a vegan diet lifestyle ?
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pierre Gelin: Olive oil is certainly vegan. It’s just not super healthy. You can think of any oil (olive, canola, etc) as being the sugar of the fat world. Sugar is a simple carbohydrate devoid of any other nutrients – an empty calorie. Oils are a pure fat – pretty much devoid of any other nutrient. Ie, both are empty calories. When it comes to oil, you might even see it as worse than sugar because oil is so much more calorie dense.
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But let’s put this into perspective. First, I still eat sugar. I just don’t kid myself that it is healthy. I’ll have something with sugar in it when I’m eating dessert say. Just because oil is not so healthy doesn’t mean that you can’t ever have it. It’s just best not to kid yourself that it is all that healthy.
A second perspective is to think about what you are replacing if you are transitioning to a vegan diet. In other words, are you transitioning to a vegan diet and you would normally eat a lot of butter? Substituting something like olive oil or canola oil would be a step in the right direction health-wise. And then later you could work on further transitioning and weaning yourself off the oils all together. (Not that you can’t go cold turkey. I’m just giving some perspective on when olive oil might make sense.)
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Hope that helps.
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i thought oil was nexcessary for absorbtion of antioxidants such as carotene,lycopene and lutein.They are better absorbed in the gut when fat is included in the meal.For example the nutritional benefit of tomato is increased when eaten with some form of fat such as cooked in olive oil.
Is avicado oil a better choice.So if i give up olive oil how do i still gain the full benfits of eating carrots and tomatos and other carotenoid veggies if i dont cook them using oil.
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james: Some experts question the need to add fat to get all the nutrients you need. But if you decide that adding a high fatty food to your veggies is something you want to do, how about using a healthy whole food like adding a few nuts, seeds or avocado? You can even make some delicious, creamy sauces with a base or at least partly made out of nuts.
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Thank you for the advice Thea..I do add ground flaxseed to my meals, a tablespoon per meal ,so that has a bit of oil in it.maybe that is enough..I was going to add avocado to my my meals instead of as a snack as you mentioned. but then I saw Dr Gregers video on avocados last night and that was a bit disheartening as avocados have always been a staple of my diet and i didnt know they played havoc with our DNA :( So now Im wondering if i should even be eating avocados after that video but the video is 5 years old so maybe research has changed on the dangers of avocado
http://nutritionfacts.org/video/are-avocados-good-for-you/
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jamesKelly: I’m familiar with that video. It really is an old video. And if memory serves, Dr. Greger even mentioned liking guacamole in his book, How Not To Die. So, while we may not want to shoot avocado directly into a vein, I think having a bit as part of our diet is perfectly fine. :-) (Note: I’m not an expert, so take that for what it’s worth.)
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james: I’m not an expert, but I expect that some ground flaxseed would work perfectly well. I doubt you would even need a whole tablespoon for the purpose in question (because I think I’ve read that a half a walnut would work…), but I don’t know for sure. Dr. Greger recommends 1 tablespoon ground flaxseed a day for other reasons. My thought is you might as well “hit two birds with one stone”. Good idea!
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This randomized, double blind, study showed an improvement in urinary proteomic biomarkers of Coronary Artery Disease by people taking 20ml doses of olive oil every day for 6 weeks. No other changes to diet were made. I’d love to hear thoughts on this. The positive effect was seen with extra virgin olive oil, but even ordinary olive oil showed an improvement in the markers. https://www.ncbi.nlm.nih.gov/pubmed/25527749
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I have two questions. First, has anyone seen the video called, The Oiling of America, where the long-format video indicates that the reseache used to promote processed oils over butter and lard was skewed in favor of the oils? Her’s the link: https://www.youtube.com/watch?v=fvKdYUCUca8
Personally, I’ve stopped using processed oils of all kinds — ever since the scandal on EVOO being a rip came out. https://www.forbes.com/sites/ceciliarodriguez/2016/02/10/the-olive-oil-scam-if-80-is-fake-why-do-you-keep-buying-it/#5368a7bd639d It’s not only Italian Oilive Oils that’s affected, according to America’s Test Kitchen: https://www.americastestkitchen.com/taste_tests/1637-supermarket-extra-virgin-olive-oil?incode=MASAD00L0&ref=new_search_experience_17
I’d really like to hear from Dr. Gregor’s team. Have processed oils been foisted on us through the use of bad science (or at lease selective comparative analysis), and is olive oil corrupted with mob money making it, in many cases not olive oil at all, and certainly no virgin? Can you help me sort this out, please.
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