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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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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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There are approximately 3 million unintended pregnancies in the United States each year.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.