Addiction is an umbrella term that reflects qualities of substance use disorder, characterized by an inability to stop using a substance despite harmful consequences. However, addiction is not a ...

Polysubstance use disorder is a mental health condition in which someone uses more than one substance at the same time or within a short period of time, despite a pattern of negative effects.

I just read a blog by Dr. Dayle Jones that could have an important influence in the endgame effort to save DSM 5 from itself. See it at http://my.counseling.org/2011 ...