Todd is six years old. His behavior is characterized by inattention, bullying, temper tantrums, stubbornness, and fidgeting. He is easily distracted, fails to finish anything he starts, often acts impulsively, and requires constant supervision. He is constantly on the go, running and climbing on things, and he cannot wait his turn in games or lines. He is suffering from disorder.

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada