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To: Elroy Jetson who wrote (101975)	9/15/2009 10:09:19 PM
From: Skeeter Bug	Read Replies (1) \| Respond to of 116555

how much of the impact is due to DHA and how much due to ARA? we agree the data supports DHA supplementation "builds a better brain," as it were. i think 40% of the brain's fatty tissue is DHA. i hadn't heard that ARA does the same, but i'd be interested in the data. is there data that shows ARA has this effect apart from DHA? having said that, babies typically aren't eating high levels of omega 6s and ingesting high levels of ARA from their normal diet, so it may well make sense to add in some ARA. it isn't like 1 year olds are eating fried chicken, eggs over easy, spam and french fries for lunch. the same can not be said of SAD which is flush with omega 6s and ARA. supplementing from a deficit is quite different than supplementing from a massive over abundance. it is true that omega 6s (and ARA) are not intrinsically "bad" anymore than bad cholesterol is intrinsically "bad." they are "bad" b/c SAD leads to an excess of them they are related to chronic disease. omega 6s are essential fatty acids - you'll die without them. the problem is that SAD has excessive omega 6 (ARA) as a dietary component and it leads to excessive chronic disease. as such, in our society, excess omega 6s should be avoided. eskimos, on the other hand, may actually want to supplement with omega 6s as their diet is heavy in omega 3s and light in omega 6s. their inflammation response tends to be blunted. extra ARA would help fix that. the intended audience of my posts aren't typically eskimos. if someone is as eskimo eating an eskimo diet, my apologies for making an american centric generalization. again, the AA/EPA ratio of the healthiest japanese is 1.5. SAD is 10x as high on average and the results are, shall we say, sickening.