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Methamphetamine [note 1] (contracted from N-methylamphetamine) is a potent central nervous system (CNS) stimulant that is mainly used as a recreational or performance-enhancing drug and less commonly as a second-line treatment for attention deficit hyperactivity disorder (ADHD). [23]
Methamphetamine is not approved for medical use in Canada. As of 2005, methamphetamine has been moved to Schedule I of the Controlled Drugs and Substances Act, which provides access to the highest maximum penalties. The maximum penalty for production and distribution of methamphetamine has increased from 10 years to life in prison. [4]
Heroin use was also being surpassed with methamphetamine, which unlike heroin, is not severely cut and reduced in potency with other additive substances. The crystalline form of methamphetamine contained at least 80 percent purity. [15] [21] The Illinois Methamphetamine Precursor Control Act was passed into state law in 2005 and came into ...
In 2021, about 1.6 million people ages 12 and up in the U.S. had a methamphetamine use disorder and 1.4 million had a cocaine use disorder, according to data from the Substance Abuse and Mental ...
ATS use disorders are related to the GABA system. Research shows that ATS use would affect normal function of the GABAA receptors. [9] Clonazepam, which is a GABAA receptor agonist, is shown to prevent the acquisition of behavioural sensitization to methamphetamine. GABAA receptor antagonist is shown to aggravate ATS use disorders.
Crystal methamphetamine (most commonly, colloquially known as "crystal meth" or "ice") and free base forms of amphetamine are sufficiently volatile substances and this allows them to be vaporized by high heat (i.e. using a lighter) and the fumes are inhaled (or "smoked") from glass paraphernalia known as base pipes (most commonly, colloquially ...
3,4-Methyl enedioxy methamphetamine ... After MDMA was criminalized, most medical use stopped, although some therapists continued to prescribe the drug illegally.
Methamphetamine, a racemic mixture of dextromethamphetamine and levmetamfetamine, was first discovered and synthesized in 1919. [45] [46] Methamphetamine was first introduced for medical use in 1938 in oral form under the brand name Pervitin in Germany.