| − | '''Methamphetamine''' (also called '''meth''', '''crank''', '''speed''' or '''ice''') is a highly addictive drug, known for its potent stimulant effects on the nervous system. It is frequently confused with drugs that produce similar effects, including [[amphetamine]], methylphenidate, ephedrine, [[caffeine]], among others, both legal and illegal. ''Crystal meth'' and "ice" refer to the smokable, free base form which has a [[crystal]]-like structure. | + | '''Methamphetamine''' (also called '''meth''', '''crank''', '''speed''' or '''ice''') is a highly addictive drug, known for its potent stimulant effects on the nervous system. It is frequently confused with drugs that produce similar effects, including [[amphetamine]], methylphenidate, ephedrine, and [[caffeine]], among others, both legal and illegal. ''Crystal meth'' and "ice" refer to the smokable, free base form which has a [[crystal]]-like structure. |