Jim Fixx was a health guru. He wrote a book in 1977 called "The Complete Book of Running" which was a best seller. He made a lot of money telling people that running could greatly extend your lifetime. He was a member of Mensa and wrote a book of puzzles for geniuses. One day at the age of 52 when he got home after his daily run, he had a heart attack and died. An autopsy revealed he had coronary arteries 95%, 85%, and 50% blocked.