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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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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.