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Ritalin. also know it as Methylphenidate hydrochloride, the active ingrediet on Ritalin, it is a stimulant specially use it to  treat ADHD ( attention deficit hyperactivity disorder) . It can be also used to manage the principles narcolepsy  symptoms .

Ritalin affects the main parts of the brain and the SNC ( central nervous system ) used to control activity and impulses.