Cancer Prevention: As mentioned, vitamin C works as an antioxidant, and one of the most important functions of antioxidants is to prevent cancer. Antioxidants keep the DNA of healthy cells from mutating into cancerous cells, so antioxidants like vitamin C are the first line of defense for cancer and other serious diseases. Along with vitamin C, orange juice also contains the antioxidant hesperidin, which has been connected to reducing tumor growth and even stimulating apoptosis, or