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Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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There are 60,000 miles of blood vessels in every adult human.