Can we live to be 115 just being happy and thin? http://www.newzity.com/2008/04/19/can-we-live-t... t worked for Edna Parker, the oldest living person on the planet. Today is her 115-th birthday. Her 59 year old grandson said she has been always thin and happy, and that did the trick. But no one really knows the secrets of longevity, but scientists think her gene and life style played a major role....
