Why does the stomach heal itself?

Not all stomach diseases will heal themselves. Some stomach diseases with mild gastric mucosa lesions, such as chronic superficial gastritis and erosive gastritis, may gradually improve and completely return to normal form after diet adjustment, changing living habits, preventing tension, maintaining adequate sleep, relieving psychological pressure, and stopping taking drugs that damage gastric mucosa. However, atrophic gastritis, peptic ulcer, gastric polyps these lesions are not self-healing, especially when combined with Helicobacter pylori infection, ordinary drugs can not be cured, need to adopt triple or quadruple therapy for treatment. Gastric cancer needs surgery, but may also show early recurrence and metastasis, seriously affecting the patient's survival and quality of life, in many cases not only can not self-healing, but also can not be cured.