title: What we do and do not know about addiction.
authors.affiliation: Behavioural Science Institute, Radboud University Nijmegen, Nijmegen, the Netherlands. r.engels@bsi.ru.nl
authors.forename: Rutger C M E
authors.initials: RC
authors.lastname: Engels
mesh_terms: D000293:Adolescent; D016739:Behavior, Addictive / Q000523:psychology*; D006801:Humans; D008875:Middle Aged; D012907:Smoking / Q000523:psychology*; D055815:Young Adult