New research challenges the long-held consensus on how much our DNA determines our longevity[lon-jev-i-tee]nounLiving a long life; influenced by genetics, environment, and lifestyle.Learn MoreClose.   We’ve all heard stories of centenarians who smoked and fit middle-aged folks who died unexpectedly. They leave us considering a long-debated question: How much do our habits influence our lifespan, and … Continue reading How Much of My Lifespan is Genetic? Landmark Study Has a New Answer