Water is the most important macronutrient in the body. However, water cannot be used as a tool to deal with the body or replace the role of other nutrients. Excess or lack of water may harm the body. Replacing breakfast just by drinking water or drinking excessive water after waking up is not recommended. Morning drinking enough water 2-4 glasses (0.5 to 1 liter) to stimulate a bowel movement. Excess water actually push stomach contents up into the esophagus. Excessive water consumption will also make the heart work harder to pump blood. It can lead to heart failure, especially for those whose heart is weak.
Stavros A Kavouras of the Human Performance Laboratory, University of Arkansas, USA, said, excess water can lead to water intoxication (hyponatremia), the electrolyte content of the body is too low. In the long term, this condition makes the body weak.
Excessive water consumption can lead to psychogenic polydipsia, which is a psychiatric disorder that makes people always feel thirsty and dry mouth to want to continue drinking. In those who have this disorder usually are not found signs of water intoxication.
In fact, most people just drink less. Chairman of the Working Group on Hydration Indonesia are also medical doctors nutrition FKUI, Saptawati Bardosono, said 46 percent of teens and adults in Indonesia mild dehydration. Many people often ignore thirst. Every day, men and women need 2.5 liters 2 liters of water.
"The drop in concentration and negative mood change is a sign of dehydration," said Saptawati.
Ivan Tack, researchers from the Department of Clinical Physiology, University Paul Sabatier, Toulouse, France, explained, drinking water is needed to ensure the body's metabolism, ensuring comfort body so awake mood and concentration, as well as protect the kidneys and urinary tract.
Western diet is high in protein and rich in salt and enough water to make up the number of patients with kidney stones. This diet makes easily formed crystals in the urine, which can develop into kidney stones. "Kidney stones will become a major problem in Asia," said Ivan predicts.