I was diagnosed with diverticula of the sigmoid colon at my first colonoscopy at age 62. Thus far, they are asymptomatic. Is there any way to reverse diverticula?

B.J.

Although uncommon in people under age 40, "outpouchings" of the colon, or diverticula, are found in more than half of people over 60. Factors thought to contribute to the formation of diverticula -- a condition referred to as diverticulosis -- include high pressure within the colon, weakening of the colon wall from aging, and lack of dietary fiber. Since diverticula occur after years of chronic damage to the colon wall, they are thought to be irreversible.

The only way to get rid of diverticulosis is to surgically remove the involved area of the colon. However, surgery is recommended just for those patients who have suffered complications, such as bleeding or perforation.

Keep in mind that in patients such as yourself who do not experience any complications, diverticulosis is a benign condition that does not increase the risk of colon cancer.