The reason that to most of us is that, contrary to popular belief, vegetarians are actually a lot healthier than those who eat meat.Studies show that vegetarians are up to up 40% less likely to develop cancer than meat earters.Also, according to the American Dietetic Association, vegetarians are at lower risk for developing heart disease, diabetes, obsity and hypertension. This because a healthy vegetarian diet is typically low in fat and high in fiber.