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Medication errors are three times higher among children and infants than with adults.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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Excessive alcohol use costs the country approximately $235 billion every year.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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