Blueberries are a low-calorie fruit that turns green when they first appear and then turns blue when ripe. Blueberries are a very rich fruit. Blueberries help lower blood cholesterol. Therefore, eating blueberries may help fight urinary tract infections. Eating blueberries after strenuous exercise may help reduce muscle damage, blueberry DNA damage may help, it may help protect against aging and cancer, and may help lower blood pressure. It contains fiber, vitamin C, vitamin K and magnesium. Blueberries are an excellent antioxidant. The main antioxidant compounds in blueberries is known as flavonoids. The antioxidants in blueberries help protect the body from aging and prevent deadly diseases such as cancer. According to animal studies, the antioxidants in blueberries stimulate your intelligence and brain function. Blueberries also help prevent infections in the blood. Blueberries are considered a super food with many benefits.