Thursday, 4 June 2015

How coffee works

In a previous article I wrote about Why drinking coffee in the morning right after you wake up is wrong. Now I want to make you understand how coffee works and what it does to your brain.

How coffee works

Coffee works as adenosine replacement

When you are awake, a chemical called Adenosine binds to some specialised receptors in your brain and, as a result, it slows down the brain activity and when you go to sleep, this chemical is removed from the receptors.So, more adenosine, more sleepy.

Keeping up? Hope so!
The chemical structure of caffeine in your coffee is similar to the adenosine structure, so, whenever you're drinking your coffee, the adenosine receptors are filled with caffeine and, instead of being sleepy, you're feeling alert. So:

The body confuses adenosine with caffeine and sleepy becomes alert.

Coffee works...for now

...there is also a "but" and a big one. Long-term uses of caffeine stimulates the body into creating more adenosine receptors so that you will need more and more coffee in order to fill all those receptors. Also, more receptors, means more adenosine that binds to them when caffeine is over and , as a result, more sleepy.
I'm not done! Coffee also stimulates adrenaline production that increases your heart rate and makes you more alert. That is why coffee seems to give you energy, but it's not!

Coffee works as a drug

Caffeine stimulates dopamine secretion, the happiness hormone. Good, right? Neah! This generates addiction.
drugs, alcohol, chocolate, sugar do the exact same thing. So, as a conclusion:
Coffee works for a short period of time. After long-term uses, its effects disappear and you will need more and more and more...and you will become addicted to it.

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