In 1990 the National Institute of Mental Health tested 25 adults with ADHD symptoms and found that they metabolized glucose more slowly in the very areas of the brain that control movement and attention.
के क़रीब ४० प्रतिशत मामलों में, लगता है कि व्यक्‍ति की आनुवंशिक रचना एक भूमिका अदा करती है ।