Hers breaks down the winter blues, what causes them, and research-backed tips for handling this seasonal mood change.

There is a kernel of truth to the idea that hot lemon water can benefit the immune system. Lemons are loaded with vitamin C, ...

Multivitamins are regularly used by about half of all Americans, yet their need has been hotly debated for years. Some headlines question the benefits of multivitamins, while others even warn ...

A recent study suggests that taking a vitamin D supplement could lower your risk for dementia as you age, especially for women. Here's what a doctor says.