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
Sauce is a sauce used on roast dinner. The sole survivor of the medieval bread-thickened sauces, bread sauce is one of the oldest sauces in British cooking. Apple sauce, mint sauce and horseradish sauce are used on meat (usually on pork, lamb and beef respectively). Redcurrant jelly, mint jelly, and white sauce may also be used. Salad cream is sometimes used on salads. Ketchup and brown sauce are used on fast-food type dishes. Strong English mustard is also used on various foods, as is Worcestershire sauce. Custard is a popular dessert sauce. Other popular sauces include mushroom sauce, marie rose sauce