TIL Caffeine doesn’t actually give you energy, it works by blocking adenosine, a neurotransmitter in your brain that makes you feel sleepy. By doing so, caffeine keeps you alert and awake.
TIL Caffeine doesn’t actually give you energy, it works by blocking adenosine, a neurotransmitter in your brain that makes you feel sleepy. By doing so, caffeine keeps you alert and awake.
www.healthline.com
What Is Caffeine, and Is It Good or Bad for Health?
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The original was posted on /r/todayilearned by /u/GoalsOverComfort on 2025-09-10 19:31:12+00:00.