Probiotics make appealing promises, but they may not deliver…and may not be safe. Pieter Cohen is an associate professor of medicine at Harvard Medical School and a general internist…
Author: Caitlin Dow
The first DASH (Dietary Approaches to Stop Hypertension) study was published in 1997. And it’s still the bedrock of today’s advice from the American Heart Association, American College of Cardiology,…
Ever been told that you should load up on probiotics after a round of antibiotics? You’re not alone. In one survey of doctors and other healthcare providers, nearly 50 percent…
Our environment is saturated in calories—cheap, tempting, unnecessary calories. You can’t run errands or take a trip to the mall without dealing with a constant barrage of junk foods. Human…
Kava is all the rage right now. But is there evidence that it actually quells anxiety? And could there be a downside? “Kava root has a long history of use…
People with irritable bowel syndrome have hypersensitive guts that react to certain foods or medications or to stress and anxiety. It can be debilitating. “IBS often comes with bloating, pain,…
“Rejuvenate.” “Restore.” “Brighten.” Skincare companies use vague buzzwords to imply that their elixirs, potions, and serums are the fountain of youth. Here’s the evidence for which products do—and don’t—work. Moisturizers…
If you’re cutting calories, it makes sense to cut carbs and fat rather than protein. But does extra protein keep you from losing muscle as you lose weight? Researchers randomly…
Who couldn’t use a little more sleep? Or at least a little more good-quality sleep. Here’s what can help…and what’s a waste of money. Michael V. Vitiello is professor of…
There’s no way to prevent wrinkles altogether (though cosmetics companies would love for you to believe otherwise). Here’s the best evidence on what causes wrinkles—and what you can do to…