The Psychogenic dwarfism reference article from the English Wikipedia on 24-Apr-2004
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Psychogenic dwarfism

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Psychogenic dwarfism is a growth disorder that is observed between the ages of 2 and 15, caused by extreme emotional deprivation. The symptoms include decreased growth hormone (GH) secretion, very short stature, weight that is inappropriate for the height, and immature skeletal age. This disease is a progressive one, and as long as the child is left in the stressing environment, his or her cognitive and linear abilities continue to degenerate.