If you want to live to a hundred, you'd better lighten up.

Though studies have shown ingrained habits can't be completely unlearned, training the mind to control ingrained behavior is within our reach.

Willpower is a very familiar phrase, but what is it really and where does it come from? What happens in the mind when you resist your impulses in the face of temptation?

Turns out office "slackers" who sneak in a little Facebook and Twitter time do more work than the all-business, all-the-time folks.

A flashy handbag or Armani suit can signal a person's wealth, but so can their body language, according to a new study. People of higher socioeconomic status are more rude when conversing with others.

This may sound like a joke, but it's not: researchers at Stony Brook University in New York have found that too much Facebook usage can leave you more prone to anxiety and depression...that is, if you're a teenage girl.

It definitely has its delights, but falling in love shakes up your life quite a bit. Devoting yourself to a partner includes taking on new friends, new relatives, and a new living arrangement. Pairing up also sparks sweet dreams about the goals you'd like to reach, trips you want to take together, kids you hope to have.

Feeling blue? Here's how to protect your brain from the winter blahs.

What was the name of that guy with that stuff in that place with those things? Don't you remember? Three new studies shed light on the way the brain forms, stores and retrieves memories. Experts say they could have implications for people with certain mental disorders.

Has the happiness frenzy of the past few years left you sad and anxious? Herein we report the surest ways to find well-being.