Nowadays more and more people are interested in leading a healthy lifestyle. It is inevitable since information about how to eat properly and live a healthy life has become very common in the media lately. One of the slogans to be found on billboards is that every human should drink at least 2,5 liters water per day. Even though these days it is such a common topic, and we have so much knowledge on it as a society, many of us still don’t obey the simple rules of drinking water. It is obvious that water is one of the most important components of our body and it is absolutely vital for our health and well-being. But have you ever thought what it really does to our organisms? Drinking water regulates body temperature and waste disposal in form of urine and sweat. It takes part in many of the vital processes, such as digestion and oxygen transportation, since blood, being a fluid, consists in major part of water as well. Water plays crucial role in the neural sys...