In this article, we propose a discrete mathematical model which describes the propagation of drug phenomenon in human population. The population is unscrewed five compartments: "S" People likely to become addicts, "M" Moderate "H" Heavy "T" receiving addiction treatment, "R" recovered people who have completely abstained from addiction. Our goal find better strategy reduce number heavy addicts ...

BACKGROUND Ischemic stroke is a major cause of mortality and morbidity worldwide. Various studies on the etiology of this disease are in progress. Some studies have suggested that opium abuse may is associated with increased risk of ischemic stroke. The present study aimed to analyze the frequency of opium addiction and to compare cerebrovascular ultrasound patients' changes to non-addicts. M...

The aim of this study was to compare investigators' perception of three most important etiological factors for drug addiction and drug abuse with the self-perception of heroin addicts and drug abusers who used cannabis products and/or ecstasy. The study included 207 heroin addicts (mean age, 26.7 +/- 5.8 years) and 238 drug abusers (mean age, 19.3 +/- 1.9 years). Each study participant selected...

OBJECTIVE To develop a scale in order to investigate the severity of inhalant use in adolescents and to conduct reliability and validity studies of this scale. METHOD A questionnaire was developed by conducting interviews with two groups: professionals working with adolescent inhalant users and inhalant-using adolescents. This questionnaire was developed into a 21-item scale. This was applied...

aim and background: the present study examined the predictability of quality of life (qol) based on personality traits and demographic characteristics of drug addicts. methods and materials: in the current descriptive, cross-sectional study, 200 individuals were randomly selected from addicts who referred to drug addiction treatment centers in tehran (iran). the world health organization qualit...