Doctors used to believe stomach ulcers were caused by stress.
Here’s a proper telling of Barry Marshall’s story:https://www.discovermagazine.com/health/the-doctor-who-drank-infectious-broth-gave-himself-an-ulcer-and-solved-a-medical-mystery
Here’s a proper telling of Barry Marshall’s story:https://www.discovermagazine.com/health/the-doctor-who-drank-infectious-broth-gave-himself-an-ulcer-and-solved-a-medical-mystery