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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Everyone has one nostril that is larger than the other.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.