the USA from 1983 to 1997. These authors studied data from the U.S. Centers for Disease Control and Prevention National Center for Health Statistics. DownÆs syndrome had a prevalence of one in 800 live births and stillbirths. It is the most commonly identified cause of mental retardation. The most common causes of death in those with DownÆs syndrome are congenital heart defects and respiratory infections. In races other than white, rates for obesity and congenital anomalies other than congenital heart defects are higher in those with DownÆs syndrome. The fact that there is an improvement in then median age at death for whiles and not blacks or other races regarding those with DownÆs syndrome with congenital heart defects, points to the possibility that treatment of the defects varies accord
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