Coffee. How does caffeine?


First of all, caffeine through the brain affects the central nervous system, depending on the dose of enhancing heart muscle contraction, accelerating respiration and metabolism in general. There is a stimulation of the kidneys and urine output increases. Caffeine also promotes the expansion of blood vessels, improving blood flow to all organs. But the vessels of the brain, on the contrary, are narrowed, so that there is a blood pressure rise. However, it is harmless to healthy people, but for those who suffer from hypotonia, even desirable.

About benefits beverage write, probably as often as its dangers. And large-scale medical studies have confirmed the hypothesis that coffee reduces the risk of cancer and diabetes, as well as facilitates the suffering Parkinson’s disease. Yes, and sports scores at the coffee is much higher than that of tea lovers.
And new data: it appears that the use of two or more cups of coffee a day reduces the risk of depression by 20%, while the number of suicide attempts — almost double! What is it — much ado about nothing, or a sensation?

The drink of longevity

Recent large-scale studies have shown that people who start the day with a cup of coffee are less likely to settle scores with life:
2-3 cups of coffee a day reduces the risk of suicide by 45%
Four or more cups — 53%, compared to fans of other beverages.
It turns out that the whole thing in neurotransmitters, the chemical compounds that improve mood and prevent the development of depression. And this increases their production of caffeine in humans.

Did you know that coffee increases the life expectancy?

In May last year, were announced the results of another study:
watching the 400 thousand participants, scientists have proved:
the probability of death in men who drank 6 cups of coffee per day, 10% lower than those who does not favor this drink, and women — all below 15%.
However, you do not have to drink so much coffee. Even one single cup per day increases your vitality by at least 5%, and all because of the antioxidants that make up the coffee hamper the development of pathological processes in the body, thereby prolonging our lives.

Coffee, as a drug.

So how coffee affects different diseases?

• Parkinson’s Disease contained in one cup of 100 mg of caffeine significantly reduce tremors and muscle stiffness characteristic of Parkinson’s.
• Liver cancer: Japanese scientists have shown that daily 1-4 cups of coffee a day reduces the risk of developing liver cancer.
• Breast Cancer: Canadian university employees have set: 4-5 cups of coffee a day reduces the likelihood of cancer by 25%, and 6 cups — already at 69%.
The protective effect we must phytoestrogens — plant compounds contained in coffee, acting on the body similar to female sex hormones.
• Diabetes: Harvard University (USA) published the results of a study that convincingly proven that by eating more than 6 cups of coffee, men reduce the risk of developing diabetes by 50%, and women — 30%.
• Gallstones: American «Gastroenterology» magazine recently reported that drinking 4 or more cups of coffee a day reduces the risk of gallstones by 25%.
• Blood pressure: the last major foreign studies found no link between coffee consumption and an increased risk of heart attack or stroke.

Be careful!

Some coffee lovers caffeine and other substances that are included in its composition, can cause individual reactions — heartburn, stomach pain, diarrhea, or biliary colic.
Lovers of strong drinks should be aware that coffee does not weaken the effect of alcohol, but on the contrary, it increases the digestibility. In addition, coffee increases the morning hangover, as potentiates the dehydrating effects of alcohol.
And further. People with a weak nervous system, especially in stressful situations and physical or mental exhaustion coffee can give the opposite
Effect. Distraction, escape thoughts, inner restlessness, palpitations, even insomnia can be the result of coffee consumption.




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