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Medication errors are more common among seriously ill patients than with those with minor conditions.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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People about to have surgery must tell their health care providers about all supplements they take.