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stroke
stroke destruction of brain tissue as a result of intracerebral hemorrhage or infarction caused by thrombosis (clotting) or embolus (obstruction in a blood vessel caused by clotted blood or other foreign matter circulating in the bloodstream); formerly called apoplexy. Cerebral hemorrhage or ...
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Polio
POLIO
DEFINITION
Polio (pronounced POH-lee-oh) is a serious disease caused by a virus called the poliovirus. The full medical name for the disease is poliomyelitis (pronounced POH-lee-oh-mi-uh-LI-tis). In its severest form, polio causes paralysis of the muscles of the legs, arms, and respiratory...
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Rose Schneiderman
Rose Schneiderman , 1884-1972, American labor leader, b. Poland. She emigrated to the United States in 1890. After working as a lining stitcher in a cap factory, she was instrumental in getting women admitted to the United Cloth, Hat, and Cap Makers Union and participated (1905) in a successful stri...
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Hugh Samuel Johnson
Hugh Samuel Johnson 1882-1942, American army officer, government administrator, b. Fort Scott, Kans. After graduation (1903) from West Point, he entered the U.S. army as a second lieutenant. In World War I he formulated (1917) plans for selective service in the U.S. army, administered the draft, an...
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obesity
obesity condition resulting from excessive storage of fat in the body. Obesity has been defined as a weight more than 20% above what is considered normal according to standard age, height, and weight tables, or by a complex formula known as the body mass index. It has been estimated that 30% to 35%...
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Franklin Delano Roosevelt
Franklin Delano Roosevelt , 1882-1945, 32d President of the United States (1933-45), b. Hyde Park, N.Y.
Early Life
Through both his father, James Roosevelt, and his mother, Sara Delano Roosevelt, he came of old, wealthy families. After studying at Groton, Harvard (B.A., 1904), and Columbia...
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Alcide De Gasperi
Alcide De Gasperi , 1881-1954, Italian premier and a founder of the Christian Democratic party. Born in the Trentino—then under Austria—he represented Italian irredentists in the Austrian parliament and after the transfer of the Trentino to Italy at the end of World War I served (1921-24...
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William Edwards Deming
William Edwards Deming , 1900-1993, American statistician and quality-control expert, b. Sioux City, Iowa. Deming used statistics to examine industrial production processes for flaws and believed that improving product quality depended on increased management-labor cooperation as well as improved de...
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language acquisition
language acquisition the process of learning a native or a second language. The acquisition of native languages is studied primarily by developmental psychologists and psycholinguists. Although how children learn to speak is not perfectly understood, most explanations involve both the observation t...
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syphilis
syphilis , contagious sexually transmitted disease caused by the spirochete Treponema pallidum (described by Fritz Schaudinn and Erich Hoffmann in 1905). Syphilis was not widely recognized until an epidemic in Europe at the end of the 15th cent. Some medical historians have proposed that syphi...
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