"Here's a test you can try at home: put a two-year-old in a playpen with an apple and a rabbit. If it plays with the apple and eats the rabbit, you've got a carnivore. According to numerous studies ... vegetarians have 60% less cancer than meat-eaters, and a tiny fraction of the heart attack rate. It doesn't take a rocket scientist to figure out we aren't very well designed to eat meat."
January 1, 1970
https://en.wikiquote.org/wiki/Vegetarianism