Look on the bright side and survive longer

Brief autobiographies written more than 60 years ago by a group of then young Catholic nuns have now become a matter of life or death. Those nuns who chronicled positive emotions in their twenties have lived markedly longer than those who recounted emotionally neutral personal histories, a new study finds.

This result, which derives from a study group with unprecedented similarity in lifestyle and social status, supports earlier evidence that expressing happiness, interest, love, and other positive feelings enhances physical health, say psychologist Deborah D.