their environmentö (p. 16).
Csermely (2005) maintains there are a number of deleterious psychosocial and physiological effects of crowding stress on human beings. Among the psychosocial effects are an increased level of aggressive behavior in crowded populations, deficits in learning tasks, and a rise in depression (Csermely, 2005). Overcrowding and crowding stress have also been linked with an increase in the level of urban insanity and schizophrenia. On the physiological side, crowding stress suppresses immune function, increases the risk for infection, and has been linked as the cause for the increased prevalence of Heliobacter pylori infections (Csermely, 2005). Infection with this bacterium and crowding stress caused gastric lesions lay th
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