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Author Question: Recent data has shown that income and volunteer time are positively related. Assuming that volunteer ... (Read 36 times) |
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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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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Illicit drug use costs the United States approximately $181 billion every year.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.