Garum dysentery, and ulcers, and to ease chronic diarrhea and treat constipation. Garum was even used as an ingredient in cosmetics and for removal of unwanted hair and freckles. The biological anthropologist Piers Mitchell suggests that garum may have helped spread fish tapeworms across Europe. Garum is believed to be the ancestor of the fermented anchovy sauce "colatura di alici", still produced in Campania, Italy. Worcestershire is a savory sauce based upon fermented anchovies and other ingredients. Ketchup, originally a savory fish sauce that did not contain either sugar or tomatoes, shared its origins, culinary functions and popularity with garum. Garum
Genovese sauce nor with Salsa Genovese, a red wine and vegetable condiment for fish, nor with the "sauce génevoise" from Lake Geneva, again served with fish. Genovese sauce is prepared by sautéing either beef, veal or pork in a large number of onions, for at least two but as many as ten hours. The onions are typically accompanied by minced carrots and celery in what is sometimes known as a "mirepoix," and the sauce may be additionally seasoned using garlic, marjoram, and either bacon, prosciutto or lard. The slow cooking of the onions is especially important for the sauce's flavor, and is