"In order to prevent this oxidation of cholesterol, we need to consume antioxidants, preferably natural antioxidants that you get from fruits and vegetables," he said in an interview.

Eat balanced meals every day. Make sure you eat plenty of fruits and vegetables, which contain antioxidants, and limit your saturated fats.

Some of the best sources of antioxidants are expensive fruits such as blackberries and blueberries, but these purple tomatoes may provide a cheaper option.