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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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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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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.