The U.S. Environmental Protection Agency said residents should feel assured that most properties cleared by the U.S. Army ...

The hot topic of longevity is taking over social media so NBC News medical contributor, Dr. Natalie Azar, and TODAY nutrition expert, Joy Bauer, join TODAY to break down the science behind longevity ...

A single psychedelic trip may cause physical changes in the brain that could explain why some people report psychological benefits from the experience, a small study suggests.