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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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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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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.