Polytoxicomanie Substance abuse 259 Substance-Related Disorders 164 General 105 substance abuse 100 Abus de substances psychoactives 99 MEDICAL 94 Traitement 85 Treatment 85 Toxicomanie 84 Diseases 73 HEALTH & FITNESS 72 PSYCHOLOGY 53 Drug abuse 48 SELF-HELP 47 Evidence-Based Medicine 46 Psychopathology 46 therapy 45 Clinical Medicine 42 Internal Medicine 42 Substance Abuse & Addictions 42 Addiction 41 Comportement compulsif 39 Compulsive behavior 39 Public Policy 38 Behavior, Addictive 34 Drug addiction 32 POLITICAL SCIENCE 32 Social aspects 31 psychology 30