The aim of this study was to compare three groups of Brazilian psychoactive substance
(PAS) abuse patients (crack cocaine users, cocaine snorters, and non‐cocaine PAS users) …

Crack cocaine (crack) dependence is a severe disorder associated with considerable
morbidity and mortality, constituting a major public health problem in Brazil. The aim of this …

Background Crack use constitutes a major problem in cities across Brazil. While existing
data suggest that crack use is generally concentrated among disenfranchised young people …

Background Cocaine abuse is a serious and socially damaging illegal drug problem.
Different routes of administration are associated with a specific progression of use, different …

Abstract The Diagnostic Interview Schedule for DSM-IV was used to assess the lifetime
prevalence of psychiatric disorder among not-in-treatment crack cocaine users (N= 313) …

Documented crack use emerged in Sa¯ o Paulo, Brazil, from 1991 onward. Therefore, it is a
recent behavior among drug users. The present work draws a profile of Sa¯ o Paulo crack …

Background Despite the growing attention surrounding crack cocaine use in Brazil, little is
understood about crack users' histories, use patterns and the interplay of drug-use …

Background Due to marginalization, trafficking violence, conflicts with the police and organic
and social psychological problems associated with the drug, crack is one of the most …

Background Crack-cocaine use is prevalent largely in socio-economically marginalized
populations in the Americas. Its use has been associated with diverse health outcomes, yet …

When claims of crack use as a new 'drug epidemic'emerged in the scientific and mass media
in the 1980s, experts were quick to dismiss such suggestions as politically motivated fear …