Apple cider vinegar has been used for centuries as a natural remedy and culinary ingredient. It is made by fermenting crushed apples with yeast and bacteria, which turns the sugars in the apples into acetic acid. It has been used by the ancient Greeks and Romans for its health benefits. Hippocrates, the father of modern medicine, is said to have used apple cider vinegar as a remedy for many ailments.  In the Middle Ages, apple cider vinegar was used in Europe as a disinfectant and preservative. It was also used as a remedy for a range of health issues, including digestive problems, skin conditions, and infections. In the 18th and 19th centuries, apple cider vinegar became a popular folk remedy in America, where it was believed to have many health benefits, including aiding digestion, boosting energy, and promoting weight loss. Today, apple cider vinegar is still used for its health benefits, as well as in cooking, cleaning, and personal care products. It is also a popular ingredient in many traditional recipes, such as pickles, chutneys, and marinades.  As a vinegar, it contains acetic acid, which has antibacterial and keratolytic properties, and it also contains malic acid,