How do stimulants affect
the brain and body?
Stimulants, such asdextroamphetamine (Dexedrine
and Adderall) and methylphenidate
(Ritalin and Concerta), act in
the brain similarly to a family
of key brain neurotransmitters
called monoamines, which include
norepinephrine and dopamine.
Stimulants enhance the effects
of these chemicals in the brain.
The associated increase in
dopamine can induce a feeling
of euphoria when stimulants are
taken nonmedically. Stimulants
also increase blood pressure and
heart rate, constrict blood vessels,
increase blood glucose, and open
up breathing passages.
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