Lipids and Your Heart. Unsaturated fats -- a type of fats found in fish and in plant-based foods, such as nuts, avocados and olive oil -- lowers your blood cholesterol levels, especially the harmful cholesterol that contributes to heart disease.
A colonoscopy is an examination of the lower part of the gastrointestinal tract, which is called the colon or large intestine (bowel). Colonoscopy is performed by an Gastroenterologist, who is a physician with special training in endoscopy/colonoscopy procedures.
Gastroenterologists are the most common phyician who performs colonoscopy. Some surgeons also perform them. Gastroenterologists typically do colonoscopies in the community. Family doctors will sometimes do flexible sigmoidoscopy but aren't qualified for full colonoscopy. Colorectal surgeons will also perform colonoscopy.