"Caffeine heightens alertness, speeds up reaction time, and increases heart rate. For some people with ADHD, caffeine may actually be calming, according to a 2022 meta-study by Vazquez and his colleagues."
"Across these studies, caffeine reduced errors, improved attention, decreased impulsivity, increased behavioral regulation, and helped the animals switch between tasks more smoothly."
"These results suggest that ADHD may not be an issue of too much stimulation, but rather an issue of not enough activation in the parts of the brain that are responsible for focus, planning, and self-regulation."
"Caffeine blocks these receptors, which in turn prevents you from getting tired and keeps your neurons firing more frequently. This releases more dopamine."
Caffeine affects individuals with ADHD differently; it can be calming for some while stimulating for others. Research indicates that caffeine influences dopamine, which is crucial for motivation and focus. A meta-study revealed that caffeine improved attention, reduced impulsivity, and enhanced behavioral regulation in animal models of ADHD. This suggests that ADHD may stem from insufficient activation in brain areas responsible for focus and self-regulation. Caffeine blocks adenosine, the brain's sleepy signal, thereby increasing neuronal firing and dopamine release, which may aid in clearer thinking.
Read at Psychology Today
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