Happiness

Hawaii is happiest and West Virginia brings up the rear.

People tend to get happier as they age, but individuals' overall well-being depends on the era in which they were born, researchers say.

Being too happy or too sad can derail exercise plans.

Science shows feeling grateful can boost happiness.

Tips to incorporate more gratitude and happiness into your 2013.

Simple acts of kindness makes kids happier, study finds.

Why do wealthy Western countries score so low?

A new study found that a resilient attitude could be the secret to successful aging, perhaps even trumping good physical health.

Turns out, optimism may partly explain why a boost in income increases well-being for some.