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Asthma cases in Americans are about 75% higher today than they were in 1980.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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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 U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.