title: Addiction.
abstract: Addiction to tobacco, alcohol and drugs is a major problem. Dependence and problem drug use are now defined syndromes and their psychological, genetic and brain mechanisms are being elucidated. Social policy can influence the consumption of drugs and treatment strategies are becoming more effective.
authors.affiliation: National Addiction Centre, Institute of Psychiatry, London.
authors.forename: L
authors.initials: L
authors.lastname: Sell
authors.forename: E
authors.initials: E
authors.lastname: Finch
authors.forename: M
authors.initials: M
authors.lastname: Farrell
authors.forename: J
authors.initials: J
authors.lastname: Strang
mesh_terms: D000328:Adult; D005260:Female; D006291:Health Policy; D006801:Humans; D008297:Male; D008960:Models, Psychological; D015995:Prevalence; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000453:epidemiology / Q000209:etiology / Q000523:psychology / Q000628:therapy; D006113:United Kingdom / Q000453:epidemiology