The secret to living longer may be your social life, Susan Pinker

The Italian island of Sardinia has more than six times as many centenarians as the mainland and ten times as many as North America. Why According to longevity researcher Susan Pinker, it s not a sunny disposition or a lowfat, glutenfree diet that keeps the islanders alive so long it s their emphasis on close personal relationships and facetoface interactions. Learn more about super longevity as Pinker explains what it takes to live to 100 and beyond. Check out more TED talks: Th