Doctors often say labs look “normal.” Dr. Mark Hyman explains why that doesn’t always reflect wellness, and what early ...

Researchers at University of California San Diego, Mass General Brigham, and their colleagues have identified specific gut ...

We spoke with experts about whether you should be putting apple cider vinegar in your water. Here's what else they think you ...

How much vitamin C you need per day depends on your age, sex, pregnancy and lactation status, and if you smoke. Here are the guidelines and general limits.