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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.