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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.
Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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.