People with ADHD often fidget and need to move, and that's because their bodies are primed to make more dopamine. So what happens when exercise is taken away from ADHD patients? 

Exercise and ADHD: how movement is crucial for mood management

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Regular exercise is important for ADHD management

Fidgeting as a way of increasing dopamine levels

People with ADHD think faster after moving

People with ADHD tend to have lower dopamine levels – and exercise, fidgeting and movement all boost that.

ADHD and fitness: “How regular exercise has become a form of medication for my ADHD symptoms”