I'm reading, and have been reading, some books on medieval times, and in the 13th century, to pick a point (when the Magna Carta was signed), people in England drank ale because they couldn't drink the bad water. Native Americans didn't have a problem with bad water that I know of, and they didn't encounter liquor until the white man came--and they've had trouble with it ever since. Could it be that centuries of ale drinking have accustomed the English speaking peoples (including the Irish) to alcohol?