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12 Foods That Make You Smarter

Drink More: Water

Drink More: Water

Drink up! About three-fourths of your brain volume is water, so staying hydrated helps your brain perform at peak levels.

By Michael Gonzalez-Wallace. Published September 13, 2011. Gonzalez-Wallace is the author of Super Body, Super Brain and is MedHelp’s Brain and Body Fitness expert.