(SAN FRANCISCO)-- Virtual colonoscopy is being hailed as a life-saving diagnostic tool. A new study shows it's invaluable for spotting colon cancer. But now it may also help diagnose other diseases ...

One doctor suggests easing colonoscopy concerns by sharing the experience. Oct. 20, 2008 — -- Hardly a week goes by that I don't hear about someone losing the battle to colon cancer. And each and ...