In dehydration why is water essential to health maintence?

This site will give you the clearest answer as to why water is essential to good health.
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In addition to the site posted by GuruBlue, you may also want to check this site which points out, "It lubricates the joints and eyes, aids digestion, flushes out waste and toxins and keeps skin healthy."

http://www.nhsdirect.nhs.uk/articles/article.aspx?articleId=123

Water is essential to health maintenance during dehydration because it plays a vital role in various bodily functions. Dehydration occurs when the body loses more fluids than it takes in, leading to an imbalance in electrolytes and a decrease in overall hydration levels.

One of the main reasons water is essential is its role in maintaining proper hydration. The human body is composed of about 60% water, and this fluid is crucial for the proper functioning of cells, tissues, and organs. Water helps regulate body temperature, transport nutrients and oxygen to cells, and remove waste products. It also acts as a lubricant for joints and tissues, aids in digestion, and helps flush out toxins from the body.

When experiencing dehydration, replenishing the body's water levels is vital to restore proper hydration and maintain overall health. The best way to treat dehydration is by drinking fluids that contain electrolytes, such as water or rehydration solutions, which can help restore the balance of essential minerals in the body.

To learn more about the importance of water for health maintenance during dehydration, you can visit reliable sources such as reputable medical websites, like the one recommended by GuruBlue: (Broken Link Removed). Additionally, the NHS Direct website provides detailed information on the benefits of water for various bodily functions: http://www.nhsdirect.nhs.uk/articles/article.aspx?articleId=123