Question

why do cells sometime produce more acid in the stomach that cause acidity

Answer 1

 Our stomach produces acid to digest the food ... cells produce large amount of acid, more than ... Excess acid secretion can also cause acidity ...

Answer 2

because it help us for digestion of food and.... makes food softer without harming the stomach. During indigestion the stomach produces too much acid and causes pain. For indigestion of food sometime cells produce more acid in stomach that cause acidity