<prompt> The most common cause of Pancreatitis isAlcohol consumptionBlockage of papilla of Vater by gall stoneConsumption of food rich in trans fatty acidsNone of the above  <response>: The most common cause of pancreatitis is drinking excess alcohol, and the second most common cause is blockage of the papilla of Vater by a gallstone; the two together account for more than 90 percent of all cases. 