Atrophic gastritis is a common condition among older adults that impairs the ability to absorb

Atrophic gastritis is a common condition among older adults that impairs the ability to absorb iron

Explanation:

Atrophic gastritis is a condition that is caused by the inflammation of the intestine due to the secretions of the stomach such as hydrochloric aicd, pepsin etc.

It may or may not involve the infection of helicobacter pyroli. It also leads to the arise of megaloblastic anemia which disturbs the absorption if iron in the body. Type A is caused due to ammonia whereas type B is caused due to infection.