Remember for how long - YEARS - ulcers were thought to be caused by stress, spicy foods, etc.? For years that was the prevailing wisdom (sic).
Turns out the h. pylori (sp?) bacterium is the culprit.
For just one of, no doubt, many examples.
Remember for how long - YEARS - ulcers were thought to be caused by stress, spicy foods, etc.? For years that was the prevailing wisdom (sic).
Turns out the h. pylori (sp?) bacterium is the culprit.
For just one of, no doubt, many examples.