News Health & Medicine For most centenarians, longevity is written in the DNA Study reveals many genetic paths to 100 By Tina Hesman Saey July 1, 2010 at 6:05 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Juan Ponce de León never found his Fountain of Youth, but researchers may have discovered a genetic equivalent hidden in the DNA of centenarians. Only one in 6,000 people reaches the century mark and just one in 7 million lives to be a supercentenarian — someone who is 110 or older.