There's no certain way to prevent cancer. But doctors have identified several ways of reducing your cancer risk, such as:
* Stop smokingIf you smoke, quit. If you don't smoke, don't start. Smoking is linked to several types of cancer — not just lung cancer. Stopping now will reduce your risk of cancer in the future.
* Avoid excessive sun exposureHarmful ultraviolet (UV) rays from the sun can increase your risk of skin cancer. Limit your sun exposure by staying in the shade, wearing protective clothing or applying sunscreen.
* Eat a healthy dietChoose a diet rich in fruits and vegetables. Select whole grains and lean proteins.
* Exercise most days of the weekRegular exercise is linked to a lower risk of cancer. Aim for at least 30 minutes of exercise most days of the week. If you haven't been exercising regularly, start out slowly and work your way up to 30 minutes or longer.
* Maintain a healthy weightBeing overweight or obese may increase your risk of cancer. Work to achieve and maintain a healthy weight through a combination of a healthy diet and regular exercise.
* Drink alcohol in moderation, if you choose to drinkIf you choose to drink alcohol, limit yourself to one drink a day if you're a woman of any age or a man older than age 65, or two drinks a day if you're a man 65 years old or younger.
* Schedule cancer screening examsTalk to your doctor about what types of cancer screening exams are best for you based on your risk factors.
* Ask your doctor about immunizations. Certain viruses increase your risk of cancerImmunizations may help prevent those viruses, including hepatitis B, which increases the risk of liver cancer, and human papillomavirus (HPV), which increases the risk of cervical cancer and other cancers. Ask your doctor whether immunization against these viruses is appropriate for you.