How does exercise affect ADHD symptoms?
Aerobic exercise produces an immediate 1–2 hour improvement in attention, impulse control, and working memory that several studies compare to a low dose of stimulant medication. This is one of the most robust findings in ADHD research — and one of the most underused interventions.
The mechanism: exercise causes a surge in dopamine, norepinephrine, and serotonin in the prefrontal cortex — the same neurotransmitters targeted by ADHD medications. The effect peaks 30–60 minutes post-exercise and is most pronounced for tasks requiring sustained attention and working memory.
Practical protocol: 20–30 minutes of vigorous aerobic exercise (running, cycling, swimming) immediately before demanding cognitive work. Not gentle walking — vigorous enough to be breathing hard. This is the protocol used in the most effective studies. Test your attention score before and after to see the effect.
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Quick Answer
Aerobic exercise produces an immediate 1–2 hour improvement in attention and impulse control that resembles a low dose of stimulant medication. This is one of the most robust non-medication findings in ADHD research. 20–30 minutes of vigorous exercise before demanding tasks is consistently effective.
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