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Amphetamines, including methamphetamine and dextroamphetamine, are psychomotor stimulants that affect the serotonin, epinephrine, norepinephrine, and dopamine levels in the brain. Amphetamines are prescribed to treat various disorders, but they are also illegally manufactured for recreational use. Pharmacotherapies and cognitive behavioral therapies are used to treat amphetamine addictions, and to date, the only empirically validated treatment is the Matrix Model.

Amphetamines closely resemble adrenaline, a naturally produced hormone in the body. Amphetamines cause vasodilation and bronchodilation, as well as an increase in heart rate and blood pressure. Physiological effects of amphetamines vary depending on the dose and method of administration, but include decreased appetite, muscular weakness, respiratory depression, chest pain, hyperactivity, nausea, increased sex drive, dry mouth, headaches, sweating, dizziness, and punding (the repeated performance of some ...

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