What happens during a colonoscopy? What to eat before, how to prepare and what recovery is like

Having a colonoscopy soon? Here's what doctors want you to know before, during and after.
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Foods to eat and avoid before a colonoscopy, according to a gastroenterologist

Using a long, pliable tube equipped with a small camera at the end, a doctor performs a colonoscopy by inserting the instrument into the patient's rectum in order to thoroughly examine the colon for ...