UDCA may be provided soon after bariatric surgical procedures to prevent cholelithiasis, which typically happens due to immediate weight loss producing biliary cholesterol oversaturation and also biliary dyskinesia secondary to hormonal modifications.[13] Ahead of the event on the pound lock in 984 AD in China by Chhaio Wei-Yo[two] and https://www.youtube.com/watch?v=A07qHOeWON8