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There are several ways to thoroughly clean the colon prior to colonoscopy; none of these can cause pain, says American Society for Gastrointestinal Endoscopy. Bowel preparation includes successive days of clear liquid di... More »

Bowel preparation involves a gradual reduction in the diet to a day of clear liquids and the administration of a prescription laxative to drive solids out. When the bowel is clear of solids, the doctor can check more tho... More »

A person should eat low-fiber foods, fruits and vegetables a few days before the operation and should only take clear fluids on the day before a colonoscopy. Also, on the day of the procedure, a person should take clear ... More »

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The cause of colon polyps is unknown as of October 2014, according to Healthline and the American Society for Gastrointestinal Endoscopy. However, risks for developing colon polyps include having a family history of them... More »