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.
Persons performing colonoscopy must be trained in the removal of polyps. Although even Gastroenterologists may refer a patient with a large polyp to a special expert in the removal of polyps, a trained colonoscopist can remove the overwhelming majority of routine polyps. 1 Rex DK, Rahmani E, Haseman JH, et al. Relative sensitivity of colonoscopy and barium enema.