Eat well: Eat a healthy, balanced diet with lots of fruits and vegetables, whole grains, healthy proteins, and fiber. Limit processed meats, refined sugars, and high-calorie foods. Exercise regularly: Choose activities you enjoy and make exercise a habit. Protect yourself from the sun: Wear sunscreen and avoid tanning beds. Get vaccinated: Protect yourself from certain viral infections. Get screened: Regular self-exams and routine screenings can help you find cancer early. Limit alcohol: Drinking alcohol increases the risk of various types of cancer. Don't smoke: Quitting smoking is one of the best things you can do for your health.