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Coffee drinking has been associated with a decreased risk of symptomatic gallstones, according to research conducted by the Harvard School of Public Health and published in the June 9, 1999, issue of the Journal of the American Medical Association . The study found that men (over 46,000 men were studied) who drank two or three cups of coffee a day had a 40 percent lower risk of developing gallstones, while men who drank 4 or more cups of coffee a day decreased their risk by 45 percent. The study found no relation between gallstone prevention and tea, decaffeinated coffee, or caffeinated soft drinks.