Caj i kafa ...kola - Kafein - facts

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The full chemical name for caffeine is 1,3,7-trimethylxanthine and its chemical formula is C8H10N4O2

Caffeine was first isolated from coffee in 1820

In its pure state, caffeine is a crystalline white powder

Caffeine can be found in 60 different plants

10g of caffeine is considered a lethal dose

It's the most popular drug in the world. Ninety percent of Americans consume it in some form every day

Over 450,000,000 cups of coffee are consumed in the USA every day!

Darkly roasted coffee has less caffeine than lightly roasted

Contrary to popular belief, caffeine (or coffee) won't help someone sober up if they have had too much to drink

How caffeine works
Caffeine causes changes in the chemicals of your brain, mainly in 2 ways.

It mimics adenosine, and binds to all the adenosine receptors in your brain. This prevents the real adenosine from doing its job, which happens to be the slowing down of nerve impulses and the causing of drowsiness. So your brain becomes more alert. Caffeine also increases the levels of dopamine in your brain, which improves your feeling of well-being and improves your mood. It's this dopamine effect that is the root of caffeine's addictive properties

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causes changes in 2 ways
wow
Odsad pijem samo duple kafe