image source :
http://www.lifehack.org/605575/fish-oil-supplements-to-boost-memory?ref=category_section_post_17853
Fish Oil Is a Potent Brain Power Booster
Fish Oil Supplements Improve Your Memory Even If You’ve Already Reached Your 70s
Top Tips for Adding Fish Oil to Your Health Regime
Of course, eating fish oil does not seem to work right away, but I think we can practice it for a healthy brain.