Molecular effects of caffeine on neurons and other brain cells.
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Have you ever reached for a cup of coffee to help you power through a long day at work or stay awake during a late-night study session? If so, you're in good company - caffeine is the most widely consumed psychoactive substance on the planet, and around 80% of people worldwide consume it in some form or another. But what exactly is it about caffeine that makes it so popular and effective?