Breast milk reveals a correlation between dietary fats and academic success
"Their findings show that the amount of omega-3 docosahexaenoic acid (DHA) in a mother's milk -- fats found primarily in certain fish, nuts and seeds -- is the strongest predictor of test performance. It outweighs national income and the number of dollars spent per pupil in schools."
http://www.sciencedaily.com/releases/2014/09/140911094749.htm