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,
Barley tea popular than the traditional barley kernels during the early 1980s and remain the norm today. Bottled barley tea is sold at supermarkets, convenience stores, and in vending machines in Japan and Korea. Sold mostly in PET bottles, cold barley tea is a very popular summertime drink in Japan. In Korea, hot barley tea in heat-resistant PET bottles is also found in vending machines and in heated cabinets in convenience stores. In Korea, roasted barley is also often combined with roasted corn, as the corn's sweetness offsets the slightly bitter flavor of the barley. The tea made from roasted corn is