The golden rule is to drink two liters of water per day. We know that the organism needs a daily intake of eight glasses water. But do you know what can happen to the body if we do not drink even a drop of water? Furthermore, the golden rule is not respected by a lot of people.
Even less than eight glasses per day can better affect the organism than neither one drop. Moreover, this video shows what occurs within the body when we deprive it from water.