@Zeb @Stahesh @shortstories @Pain66 That isn't how it works. You should go to back high school and learn the meaning of the word "disease" I Guess.
Funny thing eating a whole food plant base diet could have save his leg cause reverse diabetes. Pretty sure he was consuming more stuff besides salad and beer otherwise he wouldnt have diabetes maybe liver damage if he drinks too much beer but For diabetes I bet he was consuming animal corpses and secretions.