Check your skin for skin cancer by looking for any lump or rapidly changing spot that has multiple colors on the body. Protect against skin cancer by wearing a hat and sunscreen when going in the sun and using information from a doctor in this free video on cancer. Expert: Dr. David Cathcart Bio: Dr. David Cathcart specializes in occupational medicine and has an in-depth knowledge of cancer, as well as experience dealing with cancer patients and treatment for multiple years. Filmmaker: Johnny Cathcart



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