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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Video: Transmission Across a Synapse

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