Can Lower the Risk Cancer is a group of diseases. It can attack any part of the body. It is the uncontrolled growth and spread of abnormal cells. About 500,000 people die from cancer each year. The cause of most kinds of cancer is unknown.
Scientists think some kinds of cancer can run in families.
Find out if anyone in your family has cancer. Also find out if anyone died from cancer before you were born. Check both your mother's side and your father's side. You may have a greater risk of cancer if family members have had cancer. You can lower the risk of lung cancer if you quit smoking.