Alcoholic drink jugs suggest that intentionally fermented drinks existed at least as early as the Neolithic period (cir. 10,000 BC). Many animals also consume alcohol when given the opportunity and are affected in much the same way as humans, although humans are the only species known to produce alcoholic drinks intentionally. Beer is a beverage fermented from grain mash. It is typically made from barley or a blend of several grains and flavored with hops. Most beer is naturally carbonated as part of the fermentation process. If the fermented mash is distilled, then the drink becomes a spirit. In the Andean region,
Caffeinated alcoholic drink of caffeine to the alcoholic drinks or to stop selling the drinks altogether. The Federal Trade Commission (FTC) also took action against the four companies, warning that their marketing tactics might violate federal law and urging them to take swift and appropriate steps to protect consumers. The day before the FDA sent out the warning letters, Phusion Projects, a five-year-old Chicago company, said it would stop putting caffeine in the drinks and put a non-caffeinated version of the drink on the market in December 2010. In a statement, the company's founders said that they still believed it was safe to