Time for a rear-ality check. Colorectal cancer rates have been rising among adults younger than 50 since the 1990s, a troubling trend that has perplexed scientists. Because of the increase in cases, ...

You need to follow a special diet and may take laxatives to clean out your bowel before a colonoscopy. Drink plenty of clear liquids to avoid dehydration during the bowel prep. You might need to split ...