People who have at least three or four very close friendships are healthier, have higher wellbeing, and are more engaged in their jobs. But the absence of any close friendships can lead to boredom, loneliness, and depression.

One's single greatest strength may be uncovering the hidden talents of another person.

Its tempting to work more than 60 hours a week and sacrifice sleep, not move, and eat bad foods as they are convenient. But this comes with a cost.

If you want to improve your life and the lives of those around you, you must take action.

The vast knowledge we have to prevent cancer, heart disease, and other chronic illnesses is staggering.

The pursuit of meaning, not happiness, is what makes life worthwhile.

Spending on oneself does not boost wellbeing. However, spending money on others does -- and it appears to be as important to people's happiness as the total amount of money they make.