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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 more common among seriously ill patients than with those with minor conditions.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.