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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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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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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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There are more sensory neurons in the tongue than in any other part of the body.