Don't you dismiss genetics LOL. Ken Patera is still alive at 82, several health nuts probably died this minute before age 30. Not to say PEDs are risk free of course 
John Arlen Patera
Position: OLB
6-1, 234lb (185cm, 106kg)
Born: August 1, 1933 in Bismarck, ND
Died: October 31, 2018 (Aged 85-091d) in Cle Elum, WA HIS BROTHER JACK AN NFLer LIVED TO 85.