Tuesday, August 18, 2009

How Much Water Do You Really Need To Drink ?

Human body contains so much water,due to which rising or falling levels may cause an equal increase or decrease in our weight.Weight loss is also a common symptom of dehydration.

Water or other liquids, are not the only source of fluids. Foods, like fruits and vegetables, are also important sources.

Fluid intake is very important, and extra fluids are necessary in hot sun or during and after prolonged exercise, to prevent dehydration.

If you feel thirsty, chances are you need to drink something . But if you don't feel thirsty, chances are you don't need to drink anything. On a daily basis people get sufficient water from normal drinking behavior, such as drinking beverages at meals and in other social situations, and by letting their thirst guide them.

About 50-70 percent of the human body is composed of water. The exact amount of bodily water varies according to age and the proportion of muscle-to-fat .Although water contains no calories and may have no nutrients, it is essential for life. We can survive for weeks without food, but only a matter of days without water. Because we do not store excess water, we must ensure that our daily diet contains a sufficient supply to maintain adequate health. It's extremely difficult to take in too much water. If we drink too much, our body simply adjusts by increasing the amount of liquid we urinate. However, if our water level inside our body falls too low, we experience several symptoms that warn us we may be dehydrating. The principal symptom is thirst, a reaction influenced by a group of nerve cells located in the hypothalamus, located at the base of the brain.

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