A colonoscopy (koh-luh-NAH-skuh-pee) allows a doctor to look inside the entire large intestine. The procedure enables the physician to see things such as inflamed tissue, abnoâ¦rmal growths, and ulcers. It is most often used to look for early signs of cancer in the colon and rectum.
Fatty fish, nuts and other foods with omega-3 fatty acids boost HDL cholesterol levels, as does cooking with olive, canola or peanut oil. All of those oils contain monounsaturated and polyunsaturated...
However, other medications, such as high-dose niacin and fibrates, can raise HDL levels significantly. High-dose niacin (Niaspan, Niacor) is usually considered the most effective medication for increasing HDL levels, although it's exact method of action is not clear.