Eat a variety of foods. No one food provides all of the nutrients that a person needs. Choose many foods, all in moderation. Maintain a desirable weight.
Obesity can contribute to cancers of the colon, breast, prostate, gallbladder, ovaries and uterus.
Eat fruits and vegetables. Leading health authorities recommend that people eat five servings of fruits and vegetables every day. Studies have shown that diets low in vitamin A, present in many fruits and vegetables, may increase the risk for some cancers. Reduce fat intake. High-fat diets may contribute to certain cancers, including breast, colon and prostate.