Aperson who uses drugs relatively infrequently, primarily with friends, and in social contexts that define drug use as pleasurable is known as a recreational drug user.

I believe the answer is: Recreational Drug User

Most addict could usually start as Recreational Drug User because the body still hasn't developed enough craving for the substance to be in.
But if taken with precaution, Recreational Drug User is proven to enhance the quality of life for the takers.

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

Not true it depends on the person