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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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There are approximately 3 million unintended pregnancies in the United States each year.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.