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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.