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Long-term amphetamine exposure at sufficiently high doses in some animal species is known to produce abnormal dopamine system development or nerve damage, [26] [27] but, in humans with ADHD, long-term use of pharmaceutical amphetamines at therapeutic doses appears to improve brain development and nerve growth.
Research has shown, when drug use begins at an early age, there is a greater possibility for addiction to occur. [14] Three exacerbating factors that can influence substance use to become substance use are social approval, lack of perceived risks, and availability of drugs in the community. Youths from certain demographics are also at higher ...
Effects of long-term benzodiazepine use may include disinhibition, impaired concentration and memory, depression, [19] [20] as well as sexual dysfunction. [6] [21] The long-term effects of benzodiazepines may differ from the adverse effects seen after acute administration of benzodiazepines. [22]
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Substance use disorder (SUD) is the persistent use of drugs despite substantial harm and adverse consequences to self and others. [8] Related terms include substance use problems [9] and problematic drug or alcohol use. [10] [11] Substance use disorders vary with regard to the average age of onset. [12]
In 2011, "Nearly 1 in 12 high school seniors reported nonmedical use of Vicodin; 1 in 20 reported such use of OxyContin." [ 20 ] Both of these drugs contain opioids . Fentanyl is an opioid that is 100 times more potent than morphine, and 50 times more potent than heroin. [ 21 ]
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 ...
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