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how does coffee work?

coffee doesn't actually give you energy.

How Coffee Actually Works

Coffee's magic primarily lies in its primary active ingredient: caffeine. This stimulant works by interacting with specific receptors in our brains.

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The Adenosine Antagonist

  • Adenosine: This neurotransmitter builds up in our brains throughout the day, promoting sleepiness.
  • Caffeine's Role: Caffeine molecules closely resemble adenosine. When consumed, they bind to adenosine receptors, blocking their action.
  • Result: By blocking adenosine's sleep-inducing effects, caffeine keeps us alert and focused.
MORE INFO HERE

Beyond Adenosine: Other Mechanisms

While the adenosine-blocking mechanism is the most well-known, other factors may contribute to coffee's effects:

  • Neurotransmitter Release: Caffeine can stimulate the release of neurotransmitters like dopamine and norepinephrine, which can enhance mood and alertness.

  • Increased Metabolic Rate: Some studies suggest that caffeine can slightly increase metabolism, leading to increased energy expenditure.

 

 

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