Here's a man that is over 111 years old, he's never had children, eaten sparingly, smoked but gave it up, never drank...and has good genes. 
ld:
http://www.nytimes.com/2014/05/05/nyregion/111-year-journey-of-the-worlds-oldest-man.html?_r=0
ld:http://www.nytimes.com/2014/05/05/nyregion/111-year-journey-of-the-worlds-oldest-man.html?_r=0
