Coffee, like any drink that has its pros and cons. "As the saying goes, and water can be poisoned, " says the specialist. So if you do not exceed the dose and take into account the contraindications, then coffee can be a healthy drink, if you drink it as a hit, you can cause yourself harm".
Pros
1. Enhances mental and physical performance. This property coffee obliged to caffeine. This alkaloid blocks certain receptors in the brain - adenosine - and there is an effect of the tidal forces.
2. Can relieve a migraine attack. Because coffee dilates the vessels of the brain, spasm, which causes headache, can pass.
3. Serves as a prevention of cancer. Some people believe that coffee is a carcinogen. Actually the opposite. Those who regularly uses the black drink in normal doses (1-3 cups per day), can feel protected from cancer. At least from cancer of the kidneys, liver and intestines - this is indicated by the research results. This effect is associated with the action of the antioxidants contained in coffee (in particular, tocopherol and Kapinovo acid). This drink them contains more than green tea.
4. Protects against stones. Drinking coffee prevents the formation of cholesterol stones in the gallbladder due to the fact that slows down the crystallization processes ("-----") cholesterol and accelerates the flow of bile.
5. Helps to lose weight. Coffee has the effect of burning fat by increasing the activity of metabolism.
Cons
1. Can Deplete the nervous system. This happens when you overdose, when the coffee is too strong and when I drink too often. This reduces the inventory of substances that transmit signals to the nervous system. Signs of exhaustion: irritability, depression, rapid heartbeat, insomnia. To avoid this, you should drink no more than 2-3 cups of coffee a day. It is permissible dose dry powder - 1 tsp. instant or 1 decimal. L. boiled in 100 ml of boiling water.
2. Promotes the excretion of minerals. Due to the pronounced diuretic effect of coffee may excrete calcium, magnesium and other minerals and trace elements. Because of this, people who regularly drink coffee even in normal doses, you may experience weakness, depression, interruptions in the heart, headaches. Partly to prevent the removal of nutrients you can, if you add in a drink the milk or cream, and to use preparations containing minerals.
3. "Kills" vitamins. Under the action of caffeine from the body's output of vitamin B1, which provides and regulates carbohydrate metabolism (including the skin) and the functioning of nerves. When his lack of quality skin and hair become dry, deteriorating memory. Deficiency of vitamin B1 junkies can compensate by using trubnogo bread, nuts and dishes from beef liver.
Who is not allowed
There is a group of people who drink coffee can't - he can exacerbate their disease. These are the ones who suffer:
- glaucoma
- severe atherosclerosis
- insomnia
- gallstone disease
- cardiac arrhythmia
- diabetes
3 myth
The abuse of coffee leads to hypertension. This is not the case. Pressure after a Cup of coffee though and slightly increases, but to hypertension it does not. The cause of hypertension is a complex metabolic disorders (metabolic syndrome) and neural regulation of blood vessels.
Increases the risk of coronary heart disease. So far studies have not shown any connection between this disease and regular consumption of coffee.
Acts sobering. Coffee drunk after drinking alcohol, not sobering, because it does not affect the breakdown of alcohol. Simply under the action of caffeine person begins deceptively, that he may appear cheerful, but actually the reaction slowed down.
Source:
Today
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