Background and Aim: Residents of risky areas may find themselves in danger of drug abuse as a consequence of socioeconomic structure of their surroundings. Studies indicated that being exposed to environments in which drug use is prevalent, may lead to injection initiation hazards. Hence, the objective of this study is to investigate the relationship between living in risky neighborhoods and initiation of injection. Methods: This was a cross-sectional study. All the drug abusers with pattern of injection use in Hamedan and Tehran were incluuded. The participants were 255 individual with substance dependence disorder selected randomly from harm reduction centers in Tehran and Hamedan , The tools were demographic information questionnaire, patterns of drug use questionnaire and initiation of injection scales. Results: Findings showed that people living in risky areas initiated injection of drugs much sooner than other addicts. Also, their residual place was of the same, after adapting to the pattern of injection use. Conclusion: It is concluded that Risky areas are considered as a great hazard regarding injection drug use among youth. In this sense, preventative interventions and preventative educational programs in such areas are to be considered seriously for this purpose.
