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Buy Methylphenidate HCL Online
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Buy Methylphenidate HCL Online sold under various trade names,
Medical use began in 1960; the drug has become increasingly prescribed since the 1990s, when the diagnosis of ADHD became more widely accepted.[4][5] Between 2007 and 2012, methylphenidate prescriptions increased by 50% in the United Kingdom and in 2013 global methylphenidate consumption increased to 2.4 billion doses, a 66% increase from the year before. The United States continues to account for more than 80% of global consumption.
Methylphenidate’s mechanism of action involves the inhibition of catecholamine reuptake, primarily as a dopamine reuptake inhibitor. Methylphenidate acts by blocking the dopamine transporter and norepinephrine transporter, leading to increased concentrations of dopamine and norepinephrine within the synaptic cleft. This effect in turn leads to increased neurotransmission of dopamine and norepinephrine. Methylphenidate is also a weak 5HT1A receptor agonist.
It produces such effects as increasing or maintaining alertness, combating fatigue, and improving attention
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