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Your heart beats over 36 million times a year.
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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 average office desk has 400 times more bacteria on it than a toilet.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.