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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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The longest a person has survived after a heart transplant is 24 years.
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There are more bacteria in your mouth than there are people in the world.
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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.