Source: 101 Reasons Why I'm a Vegetarian
75: Okinawa has the healthiest and longest-lived people in the world, boasting the highest percentage of people who live to 100 years old. The super-seniors found there also tend to retain their mental keenness, and few need to live in nursing homes. No surprise: They eat very little food of animal origin, according to a 25-year study on the island. Genes could take some of the younger credit, although those of the younger generation, who have adopted Western eating habits, are, in general, projected to not outlive their parents.