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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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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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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.