Black coffee

Natural black coffee – one of the most popular drinks around the world, very many just do not represent the beginning of new day without cup of the fragrant invigorating coffee. However disputes on advantage and harm of this product are conducted to this day. Numerous researches are conducted, one scientists once again proves a negative impact of coffee on a human body, others continue to open its new properties not known earlier.

It should be noted that very few people have regularly real black coffee beans, generally give preference to its soluble analog which was invented by the Swiss chemist Max Morgentaller. Simpler and quicker to prepare such type of coffee, but here on tastes it considerably concedes to the present. And it contains caffeine in large numbers therefore to fans of coffee recommend to drink drink from grains, it more tasty, and more usefully.

History of emergence of black coffee

The homeland of a coffee tree the province Kaffa in Ethiopia is considered, from there was also a name of the product. The legend says so. Once (it was approximately in the 13th century) the Ethiopian shepherd noticed that goats, having gorged on fruits of an unknown tree, begin to jump actively on hills. After that he began to make coffee grains and to give to the pupils that they did not fall asleep during an evening prayer.

In the 16th century black coffee extended in Persia, America, Turkey and Europe. Italy became the first European country which began "to have coffee". In Russia this drink for the first time will appear in 1665. In those days our country conducted active trade relations with the countries of the Middle East where coffee already enjoyed wide popularity. In promoting it in our country the big contribution was made by Peter I who got used to drink this drink in Holland.

It is a little about caffeine

Caffeine is the main active ingredient of coffee, it contains also in coffee seeds, and in tea leaves, and in stake nuts. Scientists proved that this alkaloid has strong exciting effect on the central nervous system of the person therefore it is used as a stimulator. Also caffeine strengthens processes of excitement in a cerebral cortex therefore black coffee increases physical and intellectual effeciency, a physical activity, takes off drowsiness and fatigue. However the overdose by this product can promote exhaustion of nervous cells.

It is worth noticing that effect of caffeine on each of us individually, and depends on type of nervous activity of the person. Besides, this alkaloid weakens action narcotic and hypnagogues.

Partially disprove opinion and that caffeine, being drug, causes physical and psychological dependence. Actually black coffee can really cause physical dependence, but it would not be correct to call it drug because, unlike drugs, it does not cause psychological dependence. Moreover, scientists confirm advantage of coffee provided that will not abuse it i.e. to drink no more than 2-3 cups a day.

Useful properties of coffee

Still useful properties of coffee were known to Avicenna and Aristotle. Each grain contains a set of various microelements and vitamins, the main of them: calcium, potassium, sodium, iron, sulfur and phosphorus. Besides, this product contains more than 30 organic acids.

Due to the useful properties coffee prevents development of a diabetes mellitus, reduces probability of developing of cholelithiasis by 30%.

It is proved that as a part of coffee there is serotonin which is called still "happiness hormone" therefore it lightens the mood and helps to overcome a depression. At the regular use of black coffee (but no more than 3 cups a day) the risk of development of a depression decreases. According to statistical data, people who regularly have coffee many times commit suicide less often if to compare to those who do not drink this drink at all.

The advantage of coffee for the central nervous system is known, it improves blood supply of a brain, thereby increasing brain activity honor for 10%.

It is proved that in small amounts this drink improves a potentiality and a spermatogenesis at men. One cup of black coffee a day is capable to prolong sexual activity of women to whom in 50 years.

Quite recently scientists opened one more property of coffee – positive influence on the person concerning a disease Parkinson. These researches made revolution in medicine, and active works on creation of medicine on the basis of caffeine which will be capable to stop and even to turn back this terrible illness are conducted now.

The advantage of coffee in cosmetology is indisputable. Massage with a coffee thick on the sites inclined to cellulitis, does skin silky, smooth and equal. The coffee thick mixed with any cream is an excellent natural peeling, he will level the surface of skin and will clean a face. It is a little drink added to water for rinsing of hair after washing, does them stronger and healthier, eliminates an itch of skin and dandruff.

Scientists from India attribute to black coffee property to protect a human body from radiation. However the European physicians did not confirm this point of view yet.

Two-three cups of fragrant black coffee a day are capable to reduce considerably risk of development of cirrhosis and breast cancer. They improve attention and memory, lighten the mood and vitality, increase working capacity.

It is necessary to remember that the advantage of coffee to our organism will only if accept it strictly in limited quantity – no more than 3 cups a day.

Harm of coffee

First of all, everyone who likes to have this black coffee needs to know that the overdose leads to a headache, dizziness and sleeplessness.

Coffee is contraindicated to people with such diagnoses: coronary heart disease, diseases of kidneys, atherosclerosis, the increased arterial pressure, glaucoma, sleeplessness and a hyperexcitability.

Harm of coffee at an ulcer and an exacerbation of chronic gastritis is proved. Besides, it influences metabolism of calcium in a human body.

Drink contains tannins, they can dry up mucous a stomach therefore it is not desirable to drink it on an empty stomach.

Do not recommend to use this product to children and elderly people.

Harm of coffee is expressed also that it washes away from an organism mineral substances, including calcium. Therefore it is better to drink this drink with milk or cream. As option – fans of coffee can accept vitamin complexes.

Until recently prohibited to drink coffee drinks to pregnant women, however recently scientists proved that caffeine does not exert a negative impact neither on health of the woman, nor on her future child.

One more harm of coffee scientists long time called ability to lead to development of cancer of direct and large intestine, pancreas. However recent researches proved that black coffee, on the contrary, reduces activity of some carcinogens.