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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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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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The FDA recognizes 118 routes of administration.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.