Norah O'Donnell is CBS News' senior correspondent and a 60 Minutes contributing correspondent. O'Donnell is also the host of CBS News 24/7's "Person to Person," where she brings interviews that go beyond the headlines through thoughtful conversation.

Longevity is a team sport, according to author Ken Stern. Here's the secret sauce for living long, healthy lives from countries like Italy and Japan.

LOS GATOS, Calif. -- Like many retirement communities, The Terraces serves as a tranquil refuge for a nucleus of older people who no longer can travel to faraway places or engage in bold adventures.