Autopsies show evidence of CTE, the degenerative condition linked to repetitive head trauma

Toxic politics, threats of terrorism have many on edge, survey finds

Man undergoing cancer treatment died from fungal infection thought to come from medicinal marijuana

Large Decrease in HIV Infections in U.S. Many U.S Drivers Break Rules of the Road

Here are potential benefits

It that may help reduce injury risk

Heart disease is leading cause of death in U.S., but many don't know they have it

But scientists say guidelines urging abstinence, condoms for 6 months after infection should still be followed

New research underscores link between stress hormones and disease

3-year treatment with high doses of grass pollen offered long-term relief, but 2 years not enough, study finds