title: Abuse and addiction: crack.
mesh_terms: D016739:Behavior, Addictive / Q000150:complications / Q000628:therapy*; D001938:Brazil; D016578:Crack Cocaine / Q000009:adverse effects*; D006801:Humans; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000523:psychology / Q000628:therapy*
chemical_list: D016578:Crack Cocaine