If you have an upcoming colonoscopy, youll have to change your diet a few days before your exam. Thats why knowing which foods to eat before a colonoscopy can help your procedure go as smoothly as ...

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

Add Yahoo as a preferred source to see more of our stories on Google. For your colonoscopy prep to be smooth and successful, you need to know exactly what to expect. (Getty Images) (Drazen Zigic via ...