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Asthma cases in Americans are about 75% higher today than they were in 1980.
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There are 60,000 miles of blood vessels in every adult human.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.