Essential fatty acids in health and chronic disease

Authors:Simopoulos, A. P.
"Essential fatty acids, both n􏰭6 (LA) and n􏰭3 (ALA), have been part of our diet since the beginning of human life. Before the agricultural revolution 10 000 y ago humans consumed about equal amounts of both. Over the past 150 y this balance has been upset. Current estimates in Western cultures suggest a ratio of n–6 to n-3 fatty acids of 10–20:1 instead of 1–4:1. "