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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
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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Cyanide works by making the human body unable to use oxygen.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.