The Hospital for Sick Children Jun 30 2026 Reviewed Few areas of the body face more daily stress and potential damage than the stomach, which must manage everything we swallow. Along with this constant strain, the stomach also produces acid that can damage its own lining and increase the risk of ulcers.  To keep up, the stomach lining has remarkably high regenerative rates, continuously replacing cells and repairing damage as it occurs. This cycle, while essential, activates pathways linked to