Why does taking a sip of coffee make someone who has adhd very sleepy instead of energized?
In: Biology
When a child or young animal is startled, instead of running or fighting, they freeze. In a world where everything is faster and stronger than you, hiding makes more sense than fleeing. This means there are two basic different responses to adrenaline (the hormone that triggers the flight or fight response). In adults, it makes you faster and stronger, on the young, it makes them calm. It appears that people with adhd have an atypical response. Stimulants (like dexamphetamine used to treat adhd symptoms) calm them down, but is used as a drug called speed in non-adhd people. Stimulants like coffee have a similar effect.
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