A long healthy life is no accident. It begins with good genes, but it also 25 good habits. If you adopt the right lifestyle, experts say, chances are you may live up to a decade longer. So what's the formula for success? In recent years researchers have fanned out across the globe to find the secrets to long life. 26 in part by the US National Institute on Aging, scientists have focused on several regions where people live significantly longer. In Sardinia, Italy, one team of demographers found a hot spot of 27 in mountain villages where men reach age 100 at an amazing rate. On the islands of Okinawa, Japan, another team examined a group that is among the longest lived on earth.