Happines Comes From Within

Serotonin, the brain chemical that is involved in "happiness," also influences our decision-making and our behavior toward others.

The Neuroscience of Loneliness

Can loneliness kill? Science shows us how feeling lonely has a life-saving purpose.

It Ain't About How Hard You Hit

What is going on in the brain when a fighter gets punched or kicked in the head? Ex-UFC fighter Shannon Gugerty talks about his own experience.