I’m not a very good patient. It’s not that I’m particularly difficult or demanding, it’s just that I have been fortunate to be a reasonably healthy individual for most of my life so I tend to be a ...

Five days before a colonoscopy, people usually need to move to low-fiber foods, such as white bread and eggs. For the last 1–3 days, they may only be consuming clear liquids and laxatives. A doctor ...