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Today it is difficult to imagine a person who would not know the taste of coffee. Fans of this drink around the world can not count. But the most popular drink of the planet for many years is the object of the most severe disputes. Main questions: is coffee harmful or useful? Is it dangerous to drink it or not? How many cups can you drink without worrying about your health? and so on.
In this video, we want to reveal some interesting facts about coffee, namely, its real impact on our body.
About where and when people first began to drink coffee, there are many legends, but most researchers are of the opinion that the first invigorating effect of this drink noticed in Ethiopia. From there, coffee came to Yemen, and only then – in other parts of the world.
Coffee is obtained from the seeds of berries growing on coffee trees. Today it is the second most popular drink in the world after tea. And, of course, it brings billions of currency to producers every year. And this is one of the main reasons why many, unpleasant, and often even dangerous properties of coffee, the end user, that is, we with you, know almost nothing.
And the first serious question on the agenda: what is natural coffee?
If to speak frankly, the natural can only be called coffee beans are green in color, which had not yet received any heat treatment. Because after roasting to the natural components is added a terrible chemical mixture of a variety of synthetic compounds. They are not in the original product. Such substances described about a thousand. Eight hundred of them are responsible for the flavor, the rest – for the taste.
But this is so, flowers on. The biggest danger is the carcinogen acrylamide, which is also produced during the roasting process. To make you understand, the word "carcinogen" comes from the Latin word cancer, which means "cancer." And the darker the coffee beans, the more they contain this substance. Acrylamide is a mutagen. It affects the cells and leads to mutations in the process of their division. Of course, it all depends on the dose, but all of us have friends who do not do one or two cups a day.
Another interesting topic: what is the invigorating effect of coffee?
We often see in advertising as a sleepy, tired man, after drinking a SIP of coffee, immediately becomes full of strength and energy. But that's not the whole truth. Yes, the stimulating effect of coffee has been known for a long time. But no additional energy resources coffee does not endow a person, but rather depletes his inviolable reserve. Why? Let us understand this mechanism.
Caffeine. In medicine, this substance is known as xanthine alkaloid. Its chemical formula looks like this.
The content of caffeine in a Cup of coffee depends on many factors, from the type of coffee, from processing, from the type of drink, from the number of spoons in the Cup and not only.
First of all, caffeine stimulates the production of stress hormones: adrenaline, norepinephrine and cortisol. In natural conditions, when there is a life-threatening situation, they force our body to release hidden resources. It is necessary to survive, to be saved when something threatens us. With each subsequent Cup of coffee, this process starts again and again. And it turns out that under the influence of stress hormones, the body "idle" spends our own reserves, and does not take them from coffee.
When the action of stress hormones comes to naught, there is relaxation and loss of strength, because the body has spent too much and now it needs time to recover. This is one of the reasons why 25-30 minutes after the dose of coffee, often comes the opposite effect - severe drowsiness.
Another unpleasant effect of caffeine, associated with the so-called vivacity, is that this alkaloid blocks the braking mechanisms in our brain.
Our brain has two main systems: the excitation system and the braking system. In both of these systems there are so-called neurotransmitters, which are responsible for the transmission of electrical and then chemical signal. And most of these neurotransmitters are excitatory and inhibitory. One of the inhibiting neurotransmitters is called adenosine transmitter.
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