#methamphetamine_hydrochloride__methamphetaminehydrochloride__methamphetamine__Methedrine__meth__deoxyephedrine  amphetamine used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
  supertype:  amphetamine__pep_pill__peppill__upper  a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
     supertype:  stimulant_drug__stimulantdrug__stimulant  a drug that temporarily quickens some vital process
        supertype:  drug  a substance that is used as a medicine or narcotic
           supertype:  agent.causal_agent  a substance that exerts some force or effect
              supertype:  causal_agent__cause__causal_agency  any entity that causes events to happen
                 supertype:  thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                    supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
     supertype:  drug_of_abuse__street_drug  a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction
        supertype:  drug  a substance that is used as a medicine or narcotic

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