#90: Rich Roll, Vegan Ultra-Endurance Athlete

Shortly before his 40th birthday, Rich Roll was walking up a flight of stairs when he suddenly felt like he was about to have a heart attack. That terrifying moment led the former entertainment attorney, who had already been through rehab for alcohol abuse, to overhaul his lifestyle and now he is a dedicated vegan who has completed some of the world's most grueling and extreme endurance races.