The expressions "idiot, you idiot, you're an idiot, don't be an idiot," and the like are generally interpreted as momentary insults. But, they are also expressi

Current estimates suggest that between one and three percent of people living in the United States will receive a diagnosis of mental retardation. Mental retard

Explains the causes of retardation, the prevention of retardation through such means as genetic counseling and prenatal care, and the methods of helping retarde

CONSUMER HEALTH . What measures can parents and advocates take to insure that people who have mental retardation live full, rewarding lives from infancy to old