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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.