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The Importance of Water in Our Daily Diet

With between 50 to 75 percent of our total body weight being composed of water, it is easy to see that water is the most important nutrient to be considered in our daily diet. Dietary guidelines recommend our intake of water at approximately 64 ounces, or eight eight-ounce glasses per day.


About two-thirds of a person's water is located within the cells of their body. The remainder is found outside the cells in the tissues. Water continually passes in and out through the cell walls by the process of osmosis transporting nutrients and oxygen from the blood to the cells, and returning waste material and other substance back from the cells to the blood so they can be processed and removed from the body.

Water also serves other essential functions for our bodies, including regulating the body's temperature; lubricating our body's joints and cushioning our organs; and on a fundamental level, it sustains the very shape to the body's cells. Approximately one-third of our bones are composed of water.

Thus, it becomes easy to see the importance of hydration in our diet. While it is possible to live without food for several weeks, we can live only a few days without water. Next to oxygen, it is the most important substance needed to sustain life.

"So," one might say, "I'll make sure to get my needed daily dose of water, and all will be well," but one also needs to consider the qualities of the variety of waters available to us and especially its purity since it will have such an encompassing and fundamental effect on our body's ability to function.

With water being so very essential to our very existence, it is crucial to nourish our bodies with pure, high quality water. We should also keep in mind that we have the ability to influence the health of our bodies by feeding them with one particular type of water or another.

We can choose; natural spring water, distilled water which has had the minerals removed, mineral water which is by contrast rich in minerals, de-ionized water which has the ions removed, alkaline water which has been treated to influence its pH; designer waters which are enriched with vitamins, minerals and even a variety of flavors; regular tap water; or water that has been further filtered by one of a variety of methods.

The first and most important consideration in selecting water is that it be free from parasites, germs, viruses, radiation, lead, dangerous chemicals, and amoebas. At the very least, it needs to be filtered.

Having established that foundation of purity, we can think of the water that we consume as medicine, with one type of water being appropriate for one desired effect, and a different type appropriate for another, with distilled, alkaline, and de-ionized waters for cleansing, and enriched waters for re-building the body. Each type of water will create a different effect on our overall health.

Nutritional Science