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From:	C. Dove (cache-mtc-ac09.proxy.aol.com)
Subject:	Re: Very long chain omega 3 fats deficient in vegetarians and vegans: Study
Date:	March 25, 2008 at 1:32 pm PST

In Reply to: Very long chain omega 3 fats deficient in vegetarians and vegans: Study posted by Jack in OH on March 15, 2008 at 7:16 pm:

John McDougall's comment on DHA:

Only plants can make the omega-3 fats—fish don’t; nor do cows or people. Alpha linolenic acid (ALA) is made by plants and converted into DHA by infants and adults in sufficient amounts to supply all of our needs including those for brain function and development. After all, the African elephant with a brain volume of 3000 to 4000 cm3, compared to the human brain of 1400 cm3, has no trouble making all the essential fats its brain, and the rest of its huge body, needs from plant foods.3 You can safely assume a comparatively puny human being can do the same.

3) Langdon JH. Has an aquatic diet been necessary for hominin brain evolution and functional development? Br J Nutr. 2006 Jul;96(1):7-17.

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