Your stomach is basically rebuilding itself while you read this! That's because your stomach produces a new mucus lining every two weeks - one of the fastest cell regeneration rates in your entire body.
Why the constant renovation? Your stomach produces hydrochloric acid strong enough to dissolve metal, with a pH between 1.5 and 3.5. This powerfully acidic environment is necessary to break down food and kill harmful bacteria, but it's so corrosive it would digest your own stomach if not for this protective lining!
The stomach lining contains special cells that secrete a thick layer of alkaline mucus, creating a barrier between the stomach wall and the harsh digestive juices. These cells are continuously damaged by the acid and need to be constantly replaced.
The process is truly remarkable - your stomach lining sheds and replaces approximately 500,000 cells every minute!
This rapid regeneration is also why small irritations in your stomach lining (like those caused by spicy foods) typically heal very quickly once the irritant is removed. So next time you enjoy a meal, take a moment to appreciate your stomach's incredible ability to protect itself while digesting your food!