Amphetamine and dextroamphetamine, two central nervous system stimulants, are combined to create Adderall, which increases dopamine and norepinephrine levels in the brain to improve focus and decrease impulsivity. As a direct central nervous system stimulant, Adderall benefits those with ADHD by enhancing their focus and concentration. It’s vital to keep in mind that Adderall has side effects including jitteriness, restlessness, headaches, trouble sleeping, and more. The medication has the sa...