It’s National Watermelon Day! In honor of National Watermelon Day, we thought we’d share some of the brain-boosting benefits of the juicy giant fruit! Here are some facts about watermelon and ways it helps your brain function at any age: 1. The American Heart Association lists watermelon as a certified heart-healthy food. (Good heart health helps lower your risk for brain problems.) 2. Watermelon has the highest concentration of the antioxidant lycopene of any fresh fruit or vegetable, helping it quench free radicals. 3. Watermelon is high in the amino acid citrulline, which the human body uses to make arginine. (Arginine helps maintain the proper function of arteries, blood flow and the cardiovascular system.) 4. Watermelon’s high water content helps you stay hydrated, which improves brain function. 5. Watermelon is a good source of vitamin C, which is vital for immune health (which can help your brain overall). 6. Watermelon contains beta carotene, which your body can turn into vitamin A, which is essential for several regions of the brain. 7. Watermelon has a decent amount of potassium, which helps brain cells communicate with one another. 8. Watermelon contains vitamin B5, which plays a pivotal role in brain function. 9. Watermelon contains copper, which is necessary for brain-specific enzymes that control neurotransmitters. 10. Watermelon contains magnesium, which plays an important role in relaying signals between your brain and body.