The fact that caffeine stimulates and gives energy, hardly anyone will cause doubts. Coffee is a good source of energy to start the day. People drink a coffee drink to overcome drowsiness. But is it not harmful, and what other effects does the body have? These questions give rise to many myths, some of which we will now try to understand.
Prolonged use of caffeine is harmful.
Lies. The emergence of this myth is the intrigues of smokers: they drink more coffee than non-smokers. Their body decomposes caffeine 2-3 times faster than non-smokers, so they need to drink more coffee to feel the effect.
It is known that smokers have more health problems than non-smokers. But it's the fault of nicotine, not caffeine! Caffeine does not accumulate in the body: it is excreted from the body with urine. Therefore, if you are not worried about serious health problems, you do not have cardiac arrhythmia or hypertension, then you can safely drink coffee drinks for many years.
The best source of caffeine is the coffee beans
Lies. There are plants containing much more caffeine. For example, in the seeds of guarana it contains about 5%, and in coffee beans - only 0.6-0.8%.A small amount of caffeine contains cocoa beans - 0.3 percent.
The concentration of caffeine in soft drinks depends largely on the method of preparation. Therefore, for example, in a cup of coffee this substance is much more than in tea, although the coffee beans contain less caffeine than in tea leaves.
Caffeine increases the mental performance of the
True. Before you start preparing for the exam or writing a dissertation, drink a cup of coffee. It stimulates thinking, by blocking the adenosine receptors, the nucleoside, which informs the body about the need for sleep. In America, an experiment was recently conducted, which convincingly proved this fact.
Caffeine causes addiction
True. Your body gets used to this substance, and when you do not get it, it reacts with headaches, as well as irritability. The more caffeine you consume, the brighter the symptoms of its withdrawal.
Caffeinated beverages can be drunk without restrictions
Lies. Studies conducted in Greece showed that people who drink a lot of coffee are more likely to develop various diseases. And those, in turn, contribute to the formation in the body of substances that can give impetus to the development of heart disease and diabetes.
On the other hand, it was shown that a coffee drink, used in reasonable quantities, helps to prevent diabetes mellitus. Canadian researchers have found that in people who have an active metabolism, caffeine can increase the risk of heart disease.