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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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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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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.