The reflux disease is a condition that complicates the lives of many people, and numerous factors may contribute to its background. The complex functioning of the digestive system and the role of various sphincter mechanisms are essential for normal digestion. The lower esophageal sphincter, located at the boundary between the stomach and the esophagus, plays a key role in preventing the backflow of stomach contents. If this sphincter does not function properly, reflux may occur, causing unpleasant symptoms such as heartburn and acid regurgitation. What Causes the Development of Reflux Disease? Several factors play a role in the development of reflux disease, one of the most important being the functioning…