"An apple a day will keep the doctor away." Is this true or not? ​Apples are indeed one of the healthiest foods you can eat. It's high in vitamin C and polyphenols. Vitamin C has many benefits. The most common benefit is immunity. Vitamin C protects your body from infection and maintain healthy bones and teeth, as well as quicken the body’s ability to repair wounds. Vitamin C is also a great antioxidant. Likewise, polyphenols are great antioxidants, which reduces the number o