The Effects of Caffeine on Cognitive Function — Can Drinking Coffee Enhance Cognition?
<p>Caffeine is a natural central nervous system stimulant belonging to the xanthine class of compounds. When ingested, it swiftly traverses the blood-brain barrier, where it exerts its influence on various neurotransmitters, including adenosine, dopamine, and norepinephrine.</p>
<p>One of caffeine’s primary mechanisms for enhancing cognitive function is its ability to block the action of adenosine, a neurotransmitter responsible for promoting relaxation and sleepiness. Throughout the day, adenosine gradually accumulates in the brain, leading to a sense of fatigue. Caffeine operates by binding to adenosine receptors, preventing them from receiving the signal to induce drowsiness. As a result, caffeine promotes alertness, wakefulness, and a heightened state of arousal.</p>
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