"The average age of a meat-eater is 63. I am on the verge of 85 and still at work as hard as ever. I have lived quite long enough and am trying to die; but I simply cannot do it. A single beef-steak; would finish me; but I cannot bring myself to swallow it.I am oppressed with a dread of living forever. That is the only disadvantage of vegetarianism"

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George Bernard Shaw (26 July 1856 – 2 November 1950) (aged 94)

http://en.wikipedia.org/wiki/George_Bernard_Shaw

http://www.medicalnewstoday.com/articles/59220.php

http://www.thisislondon.co.uk/news/article-23378331-vegetarians-are-more-intelligent-says-study.do