Lowering Salt in Your Diet. 1  Salt is regulated by FDA as a âgenerally recognized as safeâ (GRAS) ingredient. A GRAS substance is one that has a long history of safe, common use in foods, or that is determined to be safe, for the intended use, based on proven science. These substances need not be approved by FDA prior to being used.
Gastroenterologists are internists who specialize in diseases of the intestines. Gastroenterologists perform most colonoscopies. Other doctors who perform colonoscopies: Colon and rectal surgeons are general surgeons with extra training in the surgical treatment of intestinal and rectal conditions. General surgeons specialize in the surgical treatment of a variety of diseases, disorders and conditions. Some general surgeons focus their practice on the intestinal tract.
A colonoscopy is a physical examination of the large intestine and rectum. Colonoscopies help doctors to investigate unexplained changes in a patientâs bowel habits, weight loss and abdominal pain. They are also used to screen for cancer. During the examination, a tube with a camera attached is inserted into the rectum. This camera allows the doctor to examine the patientâs colon, take biopsies and see to any polyps that need removing. A patient is usually sedated while having a colonoscopy.