By blocking these receptors, caffeine may promote the release of dopamine, a neurotransmitter critical to movement control. This release of dopamine can help counteract the neurodegenerative ...
avoiding caffeine in the evening, and using your bed only for sleeping. Lack of sleep can reduce dopamine sensitivity in the brain, resulting in excessive feelings of sleepiness. Getting a good ...
It can also increase dopamine signaling in the brain. Like many psychostimulants, including amphetamine or prescription drugs, caffeine can also increase heart rate. This could be positive for ...
We all know coffee, energy drinks, and certain sodas contain caffeine. This stimulating substance—which can be natural or synthetic—can show up in many surprising sources, like decaf coffee ...