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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.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.