Overdrink water tend to damage brain

It is often suggested that one should drink more water for ejecting toxin out of body, and drinking water frequently could make one look beautiful, prevent illnesses and so on. It seems that drinking more and more water could keep fit without any side effect.

However, the recent research reveals that drinking too much water would also harmful. If one drink excess water within a short time, and the kidney couldn't eject the excess water out of body, so the water stay in body and make the blood diluted. The direct result is that concentration of sodium ion is quickly decreased and the excess water burst into brain cells, which resulted in hydrocephalus and a significant damage for brain.

Generally speaking, one would lose a great deal of fluids after intense movements through sweating, so he must supplement ample water timely. However, the unfit supplement like drinking excess water can also bring harm to body.