Football is unquestionably a contact sport, and repeated “contacts” could be causing brain injuries.

Trying to remain mentally well is one of the most serious challenges facing military servicemen and women who are on the battlefront and veterans at home.

Star NFL linebacker Junior Seau's suicide last year stunned the nation. Now scientists have found he suffered from a brain disease probably caused by a career of hits to his head.

Football has always been a dangerous game. Now researchers are learning more about the long-term effects professional players may be experiencing from career-related head injuries.

Coming home from war with post traumatic stress syndrome and a traumatic brain injury requires treatment. But the treatment often works — even for veterans also battling major depression.

With football season in full swing, it's time to get reacquainted with concussions: what to expect, how to treat and when to return to action.