The Keys to Happiness, and Why We Don't Use Them - Yahoo! News

via Yahoo! News

"Research shows that people who are grateful, optimistic and forgiving have better experiences with their lives, more happiness, fewer strokes, and higher incomes," according to Easterbrook. "If it makes world a better place at same time, this is a real bonus."

Diener has collected specific details on this. People who positively evaluate their well-being on average have stronger immune systems, are better citizens at work, earn more income, have better marriages, are more sociable, and cope better with difficulties.