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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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Medication errors are three times higher among children and infants than with adults.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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The horizontal fraction bar was introduced by the Arabs.