Save the Earth. It's the only planet with coffee.

Coffee doesn't just keep you awake — it may also make you smarter.

The active ingredient in coffee is caffeine, which is a stimulant and the most commonly consumed psychoactive substance in the world.

Caffeine works in your brain by blocking the effects of an inhibitory neurotransmitter called adenosine.

By blocking the inhibitory effects of adenosine, caffeine actually increases neuronal firing in the brain and the release of other neurotransmitters like dopamine and norepinephrine (1, 2Trusted Source).

Many controlled studies have examined the effects of caffeine on the brain, demonstrating that caffeine can temporarily improve mood, reaction time, memory, vigilance and general brain function (3).

For more information on the potential benefits of coffee for brain health, check out this article.


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