Water is the most abundant compound in the human body. All biochemical reactions occur in water, and water is an active participant in those reactions. There is no life (as we know it) without water. It is well known that severe dehydration acutely affects health. More recently mild dehydration has been identified as a risk factor for long-term health, and as a short-term influence of both mental and physical performance.
Check out this FREE pdf about water and how it affects our heatlh.
How much water do you drink everyday?