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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.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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The FDA recognizes 118 routes of administration.
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There are more sensory neurons in the tongue than in any other part of the body.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.