THIS DAY IN SCIENCE: National Forest Week (Sept 20-26) in 1994

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The surprising cause of stomach ulcers – TED Ed

It’s a common misconception that stomach ulcers are caused by emotional upset, psychological distress, or spicy food. Yet no convincing study has ever demonstrated that these factors directly cause ulcer disease. So what does cause stomach ulcers? Rusha Modi explains how one doctor’s famous (and dangerous) experiment led us to the answer.


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