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Cyanide works by making the human body unable to use oxygen.
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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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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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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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The familiar sounds of your heart are made by the heart's valves as they open and close.