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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.