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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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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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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.