A high intake of water prevents kidney stones. Ten days later, the kidneys filter all waste products are removing waste products in the urine. Insufficient amount of water in the body increases the concentration of salts, forming kidney stones. People who are prone to kidney stone disease, are obliged to drink 12 glasses of water a day.
Water regulates the temperature of the human body. Therefore, people who drink large amounts of water, much less are facing with sun strokes. Upon occurrence of hot days, a person needs a lot of water, since he often sweats, loses water. Transpiration contributes to the cooling of our body. When dehydration in the body fails to adjust body temperature, and then increases the risk of getting sunstroke.
Lack of water leads to such diseases as arterial hypertension. In humans, increased blood pressure, as the dehydration vessels constrict. High blood pressure every day need to drink plenty of water to lower blood pressure.
In General, I recommend to drink clean water at least 2 liters a day. Because man himself consists of a greater percent of liquid. But it is not necessary to drink a lot of water, maybe some of it is actually contraindicated, for example those who suffer from kidney problem, because drinking plenty of water can do even more harm to the body. Need to know your body. And of course, if you drink 5-10 litres of water is harmful for the body. Therefore, all we need to comply with the measure and then it will not bring harm but only good.