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Gallstones develop when cholesterol and other substances in the bile form crystals that become hard stones in the gallbladder. The gallbladder is a small sac located just under the liver. Gallstones can form when too much cholesterol is in the bile or when the gallbladder does not empty properly.
Current as of: February 10, 2021
Author: Healthwise Staff Medical Review: E. Gregory Thompson MD - Internal Medicine Adam Husney MD - Family Medicine Arvydas D. Vanagunas MD - Gastroenterology
Medical Review:E. Gregory Thompson MD - Internal Medicine & Adam Husney MD - Family Medicine & Arvydas D. Vanagunas MD - Gastroenterology