The National Geographic reported in Jan of 73 that the longest lived people in the world were vegetarian centenarians... they were the Villcabamba of Ecuador, Azerbaijans of the Caucasus, Hunzas of Tibet. Other centenarians are Hindu yogi vegetarians.

Conversely the shortest lived are the Inuit of several countries whose diet is mostly animal protein. Inuit living on high animal protein diets live to late 50's.

A 7 year US govt. study comparing 7th Day Adventist vegetarians to non-vegetarian Mormons (selected since neither smoke nor drink) found that Adventists live 7 years longer.

Recent articles have indicated that Okinawan longevity has plummeted since the islanders adopted the flesh-eating habits of American soldiers on bases there.

pcrm.org