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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
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.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.