Foods That Make You Smarter

Fire up your focus and sharpen your smarts with these healthy brain-boosting foods.

Kale

Just like Brussels sprouts, kale and its cruciferous cousins cabbage, broccoli, and cauliflower act as potent anti-aging agents for the brain. A Harvard Medical School study of more than 13,000 women found that eating these veggies lowered brain age by 1 to 2 years. Money-saving tip? Kale is super easy to grow fresh and organically in your back yard.