Compelling Reasons for Eating Fruits..Strawberries fight cancer and aging. Bananas boost energy. Cherries calm the nervous system. Grapes relax blood vessels. Pineapple fights arthritis. Blueberries protect the heart. Kiwis increase bone mass. Watermelon controls heart rate. Mangos prevent cancer. Oranges protect skin and vision. Apples help resist infection. Peaches provide potassium fluoride and iron.