Most substance abusers simultaneously use and abuse more than one substance, even
when there is a clear drug of choice. This pattern creates a great challenge in relating …

Memory problems are frequently associated with cannabis use, in both the short-and long-
term. To date, reviews on the long-term cognitive sequelae of cannabis use have examined …

Importance Substantial shifts in perception and policy regarding cannabis have recently
occurred, with use of cannabis increasing while its perceived harm decreases. One possible …

Most people who are regular consumers of psychoactive drugs are not drug addicts, nor will
they ever become addicts. In neurobiological theories, non-addictive drug consumption is …

Cannabis is the most widely used illicit drug in the US, and the number of illicit and licit users
is rising. Lasting neurocognitive changes or deficits as a result of use are frequently noted …

Abstract “Ecstasy”[(±)-3, 4-methylenedioxymethamphetamine, MDMA, XTC, X, E] is a
psychoactive recreational hallucinogenic substance and a major worldwide drug of abuse …

The serotonergic system is involved in diverse cognitive functions including memory. Of
particular importance to daily life are declarative memories that contain information about …

Background: Studies in abstinent methamphetamine (METH) users have demonstrated
reductions in brain dopamine transporter (DAT) binding potential (BP), as well as cognitive …

Biological psychiatry has dominated psychiatric thinking for the past 40 years, but the
knowledge base of the discipline has increased substantially more recently, particularly with …

Rationale In animal studies, the common club drug 3, 4-methylendioxymethamphetamine
(MDMA,“Ecstasy”) consistently caused a prolonged loss of presynaptic serotonergic …