What Causes Stomach Ulcers?

Stomach ulcers have been a common problem in humans for many centuries. 

There have been several theories over the years as to what the cause of stomach ulcers could be, some of which are still believed today. 

For instance, you may have heard that stress or spicy foods can cause ulcers, but that is not correct. 

Check out this short but informative and entertaining Ted-Ed video to learn the surprising cause of this painful and annoying ailment. 

Leave a comment below to let me know your thoughts about the video or its contents!