We all understand anger. It hides in traffic, at home during an argument, in line, or even when nothing important happens. No one uses the phrase "anger issues." They say it's stress, or that thing ...

Anger and aggression are pervasive among humans. That's no surprise, since anger is an ancient response that is built into the brain. Getting angry can even be a cocktail of brain and body hormones, ...

In TODAY.com's Expert Tip of the Day, a therapist reveals the No. 1 sign it may be time to let a friendship go.

Three in 5 Americans experience anxiety over world events, family safety, or financial security, according to a recent mental health poll by the American Psychiatric Association. In this edited ...