For hundreds of years, the Irish have been stereotyped as beer-swilling, potato-eating louts, but in a 2005 survey by the Organisation for Economic Cooperation & Development, Ireland’s obesity rate clocked in at 13 percent, less than half the rate of the reigning obesity champs, the U.S. of A., still holding strong at 30 percent. (And that survey excluded leprechauns, who always bring the averages down.) So maybe there is something to the Irish diet and lifestyle that we could learn from. There are a number of things the Irish are doing better than the Americans to keep off the pounds. Here are a few.