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The old adage, “you are what you eat” never loses its value because it’s true! Fueling your body with the right foods can provide more energy but also increase your IQ substantially.

25 Brain-Boosting Foods That Will Make You Smarter

Kongsak/Shutterstock Cruciferous vegetables like broccoli contain the compound sulforaphane, a substance that some early research suggests could protect the brain. Broccoli also offers vitamin K, important for healthy brain function. In fact, one study assessed the dietary intake of patients with early-stage Alzheimer’s disease and found that they got considerably less vitamin K from their diet than people without the disease.