Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
