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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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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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If you could remove all of your skin, it would weigh up to 5 pounds.