Cancer Risk Factors Center

Though it's difficult to say why some people develop cancer while others don't, research shows that certain risk factors increase a person's odds of developing cancer. These risk factors include growing older, family history of cancer, diet, alcohol and tobacco use, and exposure to sunlight, ionizing radiation, certain chemicals, and some viruses and bacteria. Read more: Cancer Risk Factors Article

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Medically Reviewed by a Doctor on 4/15/2014

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