Benefits and Dangers of Drinking Coffee

Substances contained in coffee is caffeine.
Caffeine is an alkaloid chemical compound known as trimetilsantin with the molecular formula C8H10N4O2. Total content of caffeine in coffee is 1 to 1.5%, while the tea from 1 to 4.8%.

Caffeine works in the body to take over the adenosine receptor in the nerve cells that will spur the production of adrenal hormones.

Benefits of Coffee
In the world of medicine, caffeine is often used as a stimulant of the heart and increase the production of urine. In low doses of caffeine can serve as a generator of stamina and pain relievers.
Mechanism of action of caffeine in the body is to compete with adenosine function (one of the compounds in brain cells can make people fall asleep faster.)
Caffeine does not slow movement of the body's cells, but the caffeine would reverse all of adenosine so that the body no longer sleepy, but emerged feeling fresh, a little excited, eyes wide open, the heart beat faster, blood pressure rises, muscles contract and liver will release glucose into the blood stream which will form the extra energy.
That is why various types of plant stamina drinks generally contain caffeine as its main ingredient.

Dangers of Coffe
In addition to health benefits ,coffee also has disadvantages. One is the side effect is addictive.
Drinking coffee was increased risk of stroke. A study that published in the journal of neurology, neurosurgry and Psychiatry in 2002 concluded that drinking more than 5 cups of coffee per day increases the risk of damage to the blood vessel wall.

Caffeine can also cause insomnia, nervous, headache, feeling tense and irritable.
In pregnant women are also advised not to consume coffee and foods containing caffeine. This is because caffeine can increase heartbeat rate. In the fetus can attack the placenta and enter the fetal blood circulation. The worst impact, can cause miscarriage.


Safe consumption of coffee
Drinking coffee in sufficient quantities or are not going to harm, even be beneficial to health.
The amount that may be consumed is 300 mg of caffeine, equivalent to 3 cups of coffee per day. Addiction to caffeine is expected if consumed more than 600 mg of caffeine, equivalent to 5-6 cups of coffee per day for 8-15 days in a row.
While the doses can be fatal to humans is about 10 grams of caffeine or 20-50 cups a day.

by: Arswendo