<unk>  may mean: *<unk> , such as drug abuse *<unk>  (band), a hip-hop group *<unk> , a 2009 mixtape by Smoke DZA, re-issued in 2012 *<unk> ", the 20th episode of the anime Eureka Seven
Substance Abuse
Substance abuse
Substance dependence
Polysubstance use
Polysubstance dependence
Substance intoxication
Substance use disorder
Alcohol dependence