Discovering What It Takes to Live to 100http://articles.mercola.com/sites/articles/archive/2002/01/09/Discovering-What-It-Takes-to-Live-to-hundred.aspxBy Mary Duenwald Dr. Thomas T. Perls, a geriatrician at Beth Israel Deaconess Medical Center, in Boston, and an assistant professor of medicine at Harvard Medical School has a nationwide study of centenarians. He is getting DNA samples, and psychologicalenCommunityServer 2008.5 SP1 (Build: 31106.3070)