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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Medication errors are three times higher among children and infants than with adults.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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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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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).