Want to enjoy a long, healthy, and happy life? Just live like a centenarian. That’s the advice of Stacy Andersen, a behavioral neuroscientist at Boston University and co-director of the New England Centenarian Study, the largest study of centenarians and their families in the world.  The study, which has enrolled more than 3,000 centenarians over its 30-year history, has been exploring the genetic factors, lifestyle choices, and environmental influences that appear to play a role in the