WASHINGTON, D.C. (May 22, 2007) ?Preventative medicine and technology are some of the great benefits in this ever-changing age of health care technology. Operations that once required major surgery and in-patient stays are being replaced with minimally invasive procedures with quick recovery times. Among these preventative technologies include CT scans, colonoscopies and X-rays. But with all of these available options in detecting abnormalities in patients, how does one choose which test to perform and whether it is worth the time to test on fast-acting ailments” Research presented today at Digestive Disease Week?2007 (DDW? provides guidance as to which tests are best for which patients. DDW is the largest international gathering of physicians and researchers in the fields of gastroenterology, hepatology, endoscopy and gastrointestinal surgery.