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PCP is self-administered and induces ΔFosB expression in the D1-type medium spiny neurons of the nucleus accumbens, [3] [26] and accordingly, excessive PCP use is known to cause addiction. [3] PCP's rewarding and reinforcing effects are at least partly mediated by blocking the NMDA receptors in the glutamatergic inputs to D1-type medium spiny ...
Research has shown that excessive alcohol use causes an 8-fold increased risk of psychotic disorders in men and a 3 fold increased risk of psychotic disorders in women. [ 11 ] [ 12 ] While the vast majority of cases are acute and resolve fairly quickly upon treatment and/or abstinence, they can occasionally become chronic and persistent. [ 8 ]
Substance dependence, also known as drug dependence, is a biopsychological situation whereby an individual's functionality is dependent on the necessitated re-consumption of a psychoactive substance because of an adaptive state that has developed within the individual from psychoactive substance consumption that results in the experience of withdrawal and that necessitates the re-consumption ...
PCP site 2 is a binding site that was identified as a high-affinity target for phencyclidine (PCP), an anesthetic and dissociative hallucinogen that acts primarily as ...
An additional 237 million men and 46 million women have alcohol use disorder as of 2016. [18] In 2017, substance use disorders from illicit substances directly resulted in 585,000 deaths. [ 17 ] Direct deaths from drug use, other than alcohol, have increased over 60 percent from 2000 to 2015. [ 19 ]
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According to addiction researcher Martin A. Plant, some people go through a period of self-redefinition before initiating recreational drug use. [14] They tend to view using drugs as part of a general lifestyle that involves belonging to a subculture that they associate with heightened status and the challenging of social norms. [14]
The Miami Marlins player died at age 24 in September 2016 in a boating crash. The athlete was driving a boat at 65 mph with two other men — Eduardo Rivero and Emilio Jesus Macias — on board ...