Mineral water originated from springs and was believed to have health benefits when consumed or used in baths. In the 1770s, people learned to carbonate water by adding CO2, creating bubbly "soda water". American drug stores sold flavored soda water, which became popular both for its taste and perceived health benefits. Over time, soda water transitioned from drug store soda fountains to bottling and cans for home consumption from grocery stores and other food retailers. The terms "soda" and "pop" now commonly refer to carbonated soft drinks.