<prompt> 42 year old obese patient comes with gallstones. She is on cholesterol lowering drugs and her weight is reduced 10 kgs in the last month. What might be the cause for gallstonesObesityCholesterol lowering drugsRapid weight lossAll of the above  <response>: Risk factors for gallstones include-ObesityRapid weight lossHemolytic disordersCholesterol lowering drugsPregnancyHigh carbohydrate and lipid dietCholesterol lowering drugs reduce the cholesterol in the blood but secretion of cholesterol into bile is increased. Show they cause gallstones. 