Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Stomach acid can help kill ...

“Unlike stomach cells, cells in the esophagus do not have a mechanism to protect themselves from stomach acid,” Purow says. “When someone has chronic reflux over time, the body may try to get smart ...

Most creatures avoid bones because they’re hard to chew and digest. But there is one animal that has turned bones into its ...

It’s as strong as battery acid and can melt steel. But it lives inside of us and helps digest our food. This is stomach acid.

If you're about to throw up or get acid reflux, you may feel a burning sensation when acid from your stomach escpes into the esophagus. But if stomach acid is harsh enough to irritate the inside of ...