and plant ashes, while preparing for combat in gladiator pits. tonychat is right. vege diet can be both manly and death-defying. but it may explain the violence and gruesomeness too. :p
http://theweek.com/article/index/270214/speedreads-anthropologists-shed-light-on-gladiators-diet
http://theweek.com/article/index/270214/speedreads-anthropologists-shed-light-on-gladiators-diet