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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.