Cancer Facts : How Does Colon Cancer Affect the Body?

Colon cancer can affect the body by causing anemia, tiredness, black or tarry stool and blood in the rectum. Learn how colon cancer cells leach nutrients from food going through the colon with 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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