from Part III - Drugs with Primarily Stimulant Effects
Published online by Cambridge University Press: 06 October 2022
Amphetamine-type stimulants (ATS) are world-wide the second most popular group of drugs after cannabis (UNODC, 2019)23 and a significant proportion of NPS with stimulant effects are ATS.
The World Health Organization (WHO) defines amphetamine-type stimulants (ATS) as a group of drugs whose principal members include amphetamine and methamphetamine. A range of other substances also fall into this group, such as methcathinone, ephedrine, pseudoephedrine, methylphenidate and 3,4-methylenedioxy-methamphetamine(MDMA).
Globally, seizures of ATS increased sharply from the second half of the 1990s until 2001 and over the period 2009–2017.24 The largest number of seizures in the past few years have been methamphetamine, followed by amphetamine, ‘ecstasy’ type substances, other stimulants (MDPV, methcathinone, methylone, several other cathinones, dimethoxyamphetamine and several piperazines) and prescription stimulants.
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