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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.