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
Fish sauce In January 2016, the Institute of Food Technologists published a study asserting that the "Vietnamese fish sauce added to chicken broth, tomato sauce and coconut curry reduced the amount of sodium chloride by 10-25 percent while still maintaining the perceived deliciousness, saltiness and overall flavor intensity." In China, fish sauce is called "yúlù" (, literally "fish dew") and is native to the provinces of Guangdong and Fujian. In Japan, fish sauce variations are used as a seasoning of local specialties. "Ishiru" in the Noto Peninsula is made from sardine and squid. "Shottsuru" of Akita Prefecture is mainly made from sailfin