http://articles.mercola.com/sites/articles/archive/2008/01/02/exercise-prevents-gallstones.aspxMen who exercise regularly are less likely than others to develop gallstones and gall bladder disease. The results of this study indicate that 34% of cases of symptomatic gallstone disease in men could be prevented by increasing exercise to 30 minutesenCommunityServer 2008.5 SP1 (Build: 31106.3070)