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Food and Vitamins and Supplements! Oh My! — Longwood Seminar

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Every day a new diet trend seems to be in the news—along with an abundance of advice on supplements and vitamins, including which to take and which to avoid. This March 5, 2013, seminar aims to cut through the noise surrounding nutrition, vitamins and dietary supplements by providing the latest scientific evidence as well as advice for healthy eating and living a nutritious lifestyle. Learn more about the Longwood Seminars by visiting .

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64 thoughts on “Food and Vitamins and Supplements! Oh My! — Longwood Seminar

  1. Great job

  2. From 1:10 onwards – That is such good info from Dr Walter Willet that breast tissue is sensitive to alcohol and his suggestion that women get good wine and enjoy it drop by drop!
    He said coconut oil is a derivative of mustard (it is CANOLA oil that is the derivative of mustard, as he goes on to explain). Dr Rimm interrupted and probably caused him to mis-speak😐.
    I came to this video to know if Vitamin (or pre-hormone) D supplementation was effective because I don’t like to swallow pills so I take D3 liquid oral spray, and it tastes awful. Dr Cecil said the evidence was not conclusive – well, that IS an honest answer. Guess i’ll just have to continue taking it, because they say sunlight (which really does a number on the skin🤨! is not enough to cure a severe deficiency which many people seem to have!
    Wonder how earlier generations managed without Vit D supplementation!

  3. Thanks for sharing health info. I created a video about natural remedies to improve human performance. Sharing valuable info below!

  4. Thanks for putting this seminar together.

  5. What a bunch of industry funded B.S

  6. Canola oil originally comes from the rapeseed plant, in Canada, and was used as an insecticide. Dr. Berry (MD) says any seed oils & canola damages cells on the eye for central vision or persons having macular degeneration. Sunflower- seed, Safflowerseed, Cottonseed (why would textiles be used to make oil?), corn oil, Wesson and even low grade olive oil are broken down with solvents like hexane. There are some other solvents that are used for degradation of the oil’s benefits. A coworker who goes to Greece once a year has an olive farm ( from the Kalamata region) where the process of making oil from the beginning to the end stage, hasn’t heard of solvents added to the oil. I tried some of it and it has a bitter and pungent smooth flavor.

    1. Seven Day Adventists, some of the longest living persons in the US don’t use canola, forgot to mention this.

  7. The US med industry is a racket. Huge costs and very little improvement. Everyone is still sick.

  8. Outdated lecture – coconut oil is healthy and saturated fat is healthy

  9. Giving specifics about vitamin amounts that weren’t effective would be helpful. Most trials used very low levels…too low to create an effect. Linus Pauling showed the effective dosages of vitamins are thousands of times higher than were used in these studies.

  10. Keto diet works great and take rainbow light multivitamin changed my life

  11. 6 years old talk 🙂 Time for an updated version ? Thank you for your effort and work!!!

  12. I think your wasting 1 1/2 hours listening to mainstream doctors and mainstream nutritionists give advise on how to eat a healthy diet. Mainstream doctors don’t receive any nutritional advise, so they are clueless. Mainstream nutritionist schools receive their funding from the big food companies. Consequently they are brainwashed into saying things like cereals are a healthy breakfast and cooking for canola oil is a healthy oil. Oh and stay away from coconut oil since it’s pure poison.

  13. For they overture I think is too long to begin to even watch.

  14. Berberine is the best supplement for heart health.

  15. Bottom line: Fruits, vegetables and nuts, low fat and unprocessed. What about whole food plant based?

  16. 23:00 so what you are saying is, food corporations tailoring ads to trick people into ‘buying it now’ are actually criminals. They know their ads target people in a specific way to trick them to buy when they may not even need that product. That is evil. It is criminal. People do not know they are being psychologically targeted to buy a product. If the consumer was informed, then there would be no issue.

  17. *Best healthy supplements that actually work:* vigorouslife.jeunesseglobalcom

  18. All these ideas, about how u eat n what not, it all depends on how our bodies functions, as (individual’s.) So, it doesn’t matter what we eat n drink, we have to (use) (wisdom,) in (everything) (we) (do.)

    1. No, anecdotal evidence is the weakest evidence. We should be sceptical and question anyone who brings us information. Check if the information is biased, if the reseach was done right to determine what is right and what not. You have people doing that like Pam Popper and Michael Greger.

  19. Thanks for the information 👍

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  21. Just eat unprocessed natural food, we have been eating this for thousands of years now we have better access to a high variety, you dont need any supplements anymore (we are not living in 18 century London with no light and bad food)
    By the way why do you think that the trails showed that they have no efficacy? Because they are processed food for god sake!!!!!

    The case for cancer in elderly over 50 years, that might be true but only because that elderly do not eat the food they should do, the elderly cancer rate in Italy (Mediterranean diet) is much less that in the US (15,000 men study), if you are deficient than of course you might have health problems

    1. The nutrient content of most field crops is such that supplements are needed, The available magnesium in the wheat fields of Iowa was measured at 3%of the hedge rows. Most modern food is hollow.

  22. Type Baba Ramdev in YouTube search and find out secrets to become healthy! Naturally👍 Highly recommend to warch his videos!

  23. I think all the fertilisers sprayed should be banned
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  24. WHAT A WASTE OF TIME… a 5 year old would have given the same information if asked what’s a good diet

  25. These Harvard medicos keep pushing that alcohol is ‘heart healthy”. That is pure bullshyte and irresponsible!!

  26. I see a lot of supplement marketers in the comments

  27. Using low quality Food Grade supplements like Centrum for testing? Heck, no wonder your research doesn’t show positive results. Do you really know what is in Food Grade supplements? How about testing Pharmaceutical Grade GMP’s supplements, rather than your cheap Food Grade Centrum. Please DO NOT rely on drugs or medicines for a healthy lifestyle! Supplementing is the way to go, just make sure you supplement Pharmaceutical Grade GMP’s!

  28. That’s all I ever hear is eat a healthy diet etc.??? what about those who NEVER HAVE & NEVER WILL!?! like me!. like probably most people who look towards supplements to maybe help??? Do they help those people who are most likely Deficient???…

    1. What is considered a better diet? You can look at any research study done and for any diet there will always be a good and a bad .

    2. The word for that is “evolution”. Darwin will always win.

    3. RawLu
      Yes,, a little but your probably still going to die earlier then you would if you tried to eat a better diet and exercised… right

  29. And this is Harvard Medical School? Uauu, no wonder the world is like it is.Watching this video is one big ” time Wasting “:(

  30. You can prove anything with data…..yada, yada, yada ! Data can be manipulated. Big Pharma does it all the time.

  31. RDA is the minimum, not the optimum most of the talks are traditional and timid, the perfect diet is nutrient dense , low in saturated fat with1gram of protein per kilo of healthy weight

  32. One “expert” in this video said nutritional supplements are not regulated by the FDA, suggesting they may be harmful or ineffective. THAT IS VERY MISLEADING.

    1) Makers of nutritional supplements are forbidden by law to claim that their ingredients can cure disease improve health (even if they can).  They can only say “may help” this or that in their advertising.

    2) There are hundreds of supplement makers so COMPETITION is high, which is the NATURAL way to regulate quality and price! There does exist scammers, but people like me who do the RESEARCH come to learn which companies to trust. The final truth is revealed by health gains make via supplements.

    3) There are thousands of deaths each year attributed to prescription drugs taken as prescribed. But there are practically no deaths occurring from health supplements.

    4) There is a company called ConsumerLab.com which tests nutritional supplements regularly by brand. They get their financing from membership fees. You pay a small membership fee for good information.

    1. @BTW Did you read the first comment? Maybe you should listen to the Vitamin King. He will set you straight about supplements. If you still think supplements are worthless or dangerous, your a pharmaceutical shill.

    2. “Practically no deaths from supplements” Theres be at least 38 deaths for L Tryptophan and over 1500 people left disabled you fucking liar or shill.

    3. @Allen Miller keep burning your money on snake oil, but don’t fucking mislead ppl

    4. @Allen Miller

  33. I recommend learning more on optimal nutrition for longevity from the research of Ornish (ornish.com), Stephen Simpson and David Le Couteur (protein leveraging, nutritional geometry), T Colin Campbell (nutritionstudies.org, the china study).  Also watch Forks Over Knives (forksoverknives.com) and info at nutritionfact.org.

  34. what a greatest load of shit, these people are medical doctors, not medical nutritionists, they are basically saying medications work, and vitamins and minerals dont, this pisses me off so much.

  35. The host reminds me a lot of Lisa Cuddy.

  36. He is so negative……….

  37. Doctors can not give a talk on nutrition, doctors are not trained and the AMA does not invest time or money, fact … relational studies are the reason we got stuck with the cholesterol, saturated fat war … where was the AMA when … References to “The Saccharine Disease” started in 1956, then disappeared? Also, malnutrition in the 1930’s forced the government to legislate ADDing BACK nutrients into breads and dairy … how Ironic ?

    Clinical trial … the French have the lowest “Heart Disease” in the western world … “Cheese and Wine” as the snack … explain that AMA … that is a whole nation on a trial or is that a real fact?
    I agree that the support group approach is best, but very few doctors are trained in that, therefore, the public salesman, Books, TV, Podcasts now, …. are the group. Funny how most of the challenges to the AMA are coming from outside the USA.

    The AMA has failed to protect the public from BigPharma … Physicians have abandoned the nutritional approach to patient diagnostics and medicine, simply because they are not trained in nutrition. A key part of the Hippocratic Oath … “I will prevent disease whenever I can, for prevention is preferable to cure… “, has been forgotten … 70 Going On 100.

  38. What a parade of dogma…. The future will look back at videos likes these and marvel how ignorant the educated can be.

    1. These “experts” have done years of study and have fancy university degrees, yet can be amazingly ignorant.

    2. I sure hope you’re right, Green Deane.

  39. if your studies are not comprehensive….then both assertions are nebulous at best …TAKE YOUR SUPPLEMENTS !!1

  40. do not listen to these ppl …do not take prescriptions drugs worse for you than vits and minerals…workout take fish oil magnesium, d3 zinc …drink a good amount of water and watch what you eat…remember these ppl may or may not be in the pockets of the pharmaceutical companies …read personal trainers and ppl with phd’s in exercise physiology and nutrition

  41. everybody should take supplements, anybody who says otherwise is only making statements to reflect their look or have an agenda…do your homework…all foods are processed …we lose some nutritional value…its an insurance policy …if you workout , you need extra…

    1. @sandeep k Do some research on Dr. Wallach and his company Youngevity, worked wonders for my family 👍🏻

    2. Greg Balteff… Which company supplememtn

  42. I’m really shocked that Dr. Willet doesn’t seem to know the difference between coconut oil and canola oil 😉

    1. Canola was initially an insecticide.

    2. yes. while coconut oil is good, canola oil is bad.

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