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He drank a Petri dish of bacteria just to prove a theory

Fact - Dr. Barry Marshall, a young scientist at Royal Perth Hospital, believed that stomach ulcers were caused by the bacterium Helicobacter pylori. However, his theory was much ridiculed. To prove everyone wrong, Marshall drank a Petri dish containing H. pylori and developed ulcers three days later. He won the 2005 Nobel Prize in Physiology.
Pic Credits: © 2005 NIAID | Coxiella burnetii, the Bacteria That Cause Q Fever | CC BY-SA | Modified

Dr. Barry Marshall, a young scientist at Royal Perth Hospital, believed that stomach ulcers were caused by the bacterium Helicobacter pylori. However, his theory was much ridiculed. To prove everyone wrong, Marshall drank a Petri dish containing H. pylori and developed ulcers three days later. He won the 2005 Nobel Prize in Physiology.

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