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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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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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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.