Personality

Heroes and psychopaths may be more similar than you'd expect.

Unlike introverts, extroverts associate feel-good chemicals with their environments, new research suggests.

Should doctors intentionally try to change personality to improve people's lives?

Our personality traits may influence our ability to recall negative memories.

A program designed to improve cognition in older adults appears to make them more open to new experiences.

A new study aims to tackle the problem of under-aged drinking.

Some say it relieves emotional tension.

Personality may be linked to a person's inclination to exercise.

Men and women's personalities are worlds apart, a new study says, but other researchers say it ain't so.

Putting on pounds make make you more self-conscious about your choices, but still weak in the face of temptation.

Cat starting to copy your habits? Don't be alarmed ...

Research finds people may be less trusting and more risk-averse than before the policy.

A new study of an isolated Bolivian society shows the "Big Five" might not be as comprehensive as previously thought.

The odd phenomenon of catching someone else's itch is rooted in the brain.

Different things make Bostonians and San Franciscans happy.

Shy people may be hesitant to look you in the eye, but they may have a superior ability to recognize certain facial expressions, a new study suggests.

Aggressive breed owners are more aggressive and hostile themselves.

Your personality may impact how satisfied you are in bed.

Having a positive outlook maybe related to your genes, and the likelihood you'll make it to 100.

The speaker would broadcast vocalizations and record dolphin responses.