http://articles.mercola.com/sites/articles/archive/2005/10/27/fish-great-for-your-brain.aspxNew research suggests that eating fish at least once a week can slow typical age-related mental decline by three to four years. 10-13% Slower Rate of Decline Over 3,700 Chicago residents aged 65 and older took three memory tests over the course of sixenCommunityServer 2008.5 SP1 (Build: 31106.3070)