Randomized interventional trials are necessary to establish cause-and-effect.

Do Vitamin D Supplements Help Prevent Diabetes, Cancer Mortality, and Overall Mortality?

Michael Greger, M.D. FACLM, founder of NutritionFacts.org and New York Times best-selling author of How Not to Die, How Not to Diet, and the just-released How Not to Age, brings you the latest in evidence-based nutrition research, delivered in easy to understand video segments. NutritionFacts.org is a non-profit and non-commercial public health organization, and more than 2,000 videos on virtually every aspect of healthy eating are available on our website. New videos and blogs are uploaded every day–always without any sponsors, ads, brand partnerships, or paid subscriptions.

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Health & Fitness

Drink two cups of cold water on an empty stomach a few times a day for weight loss.

Friday Favorites: Optimizing Water Intake to Lose Weight

Can collagen beat out placebo for knee osteoarthritis?

Collagen Supplements for Arthritis

I assumed that collagen proteins would get completely broken down in the digestive tract, but I was wrong.

Do Collagen Supplements Work for Skin Aging?

If sugar consumption is considered to be the one and only cause of cavities, how much is too much?

Friday Favorites: How to Stop Tooth Decay

How did the medical and dental community react to U.S. regulators’ total 180 over water fluoridation, going from presumptively safe to presumptively dangerous?

Do Vitamin D Supplements Help Prevent Diabetes, Cancer Mortality, and Overall Mortality?

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