_ Summer Dehydration Warning:
Anyone can lose weight. Just dehydrate.
Your body is mainly composed of water. Water is as essential to your life as oxygen. In good health you can only live for three days without water. In sickness or infancy this might only be twenty-four hours. Dehydration will show as weight loss. This is not something to become elated about. Get off the scales, eat a balanced diet and drink plenty of fluids, preferably water.
Remember that soda water and caffeine are both calcium robbers. Combine both of these and drink coke soft drinks and you have a strong bone density destroying mixture in your body as your body draws calcium from your bones to re-alkalize your blood steam.
Textbook of Medical Physiology states that "the total amount of water in a man of average weight (70 kilograms) is approximately 40 litres, averaging 57 percent of his total body weight.
In a newborn infant, this may be as high as 75 percent of the body weight, but it progressively decreases from birth to old age, most of the decrease occurring during the first 10 years of life. Also, obesity decreases the percentage of water in the body, sometimes to as low as 45 percent.
There is not, and cannot be, a figure that is exactly the same for all people. Jackson's (1985) Anatomy & Physiology for Nurses gives a figure of 60% for the proportion of body-weight attributable to water
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