The Italian island of Sardinia has more than six times as many centenarians as the mainland and ten times as many as North America. These centenarians have attracted a lot of attention. What is their secret? Why are they able to live so well into advanced age?

There is no one simple answer to these complex questions. However, psychologist Susan Pinker has part of the answer. She is an author, developmental psychologist and international speaker who reveals the importance of our friends, family and social interactions. According to Ms. Pinker, it is the emphasis on close personal relationships and face-to-face interactions. Learn more about super longevity as she explains what it takes to live to 100 and beyond.