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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Cyanide works by making the human body unable to use oxygen.
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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.