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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.