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Dwarfism is a condition of people and animals marked by unusually small size or short stature. In humans, it is defined as an adult height of 4 ft 10 in or less, regardless of sex; the average adult height among people with dwarfism is 4 ft. Disproportionate dwarfism is characterized by either short limbs or a short torso. In cases of proportionate dwarfism, both the limbs and torso are unusually small. Intelligence is usually normal, and most people with it have a nearly normal life expectancy. People

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