Do Collagen Supplements Work for Skin Aging?
I assumed that collagen proteins would get completely broken down in the digestive tract, but...
Health and Nutrition Videos
Friday Favorites: The Trade-Off Between Fertility and Longevity, and the Causes of Precocious Puberty
A century ago, the average age of first menstruation was nearly 17. Why is sexual maturity coming so much earlier now?
Watch Latest Video
Friday Favorites: How to Stop Tooth Decay
If sugar consumption is considered to be the one and only cause of cavities, how...
Medicine’s Response to the Changing Science on Fluoride Safety
How did the medical and dental community react to U.S. regulators’ total 180 over water...
Why I Changed My Mind on Water Fluoridation
Based on new research, the U.S. Department of Health and Human Services’ National Toxicology Program...
Friday Favorites: Heme Iron in Impossible Burgers and Cancer Risk
Is heme just an innocent bystander in the link between meat intake and breast cancer,...
Is Water Fluoridation Safe?
There have been more than 50 studies showing an association between higher fluoride exposure and...
Side Effects of Water Fluoridation: Dental Fluorosis
According to the CDC, about a third of American children now have some form of...
Friday Favorites: Should You Floss Before or After You Brush?
How good is the evidence that flossing is effective, and what have randomized controlled trials...
Why Is There Fluoride in Water? Is It Effective?
Based on nearly 100 randomized controlled trials, fluoride toothpaste reduces dental cavity rates, but what...
Onions and Tomatoes Put to the Test for Osteoporosis
Beyond the antioxidant, anti-inflammatory, and alkaline-forming qualities of fruits and vegetables in general, are there...
Friday Favorites: The Role of Epigenetics in the Obesity Epidemic
Astonishingly, a baby with a heavy surrogate mother and a thin biological mom may harbor...
Three Reasons Fruits and Vegetables May Reduce Osteoporosis Risk
Even just a single extra serving of fruits and vegetables per day is associated with...
