Chronic cellular dehydration
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Chronic cellular dehydration is a term varyingly used in medicine and marketing to describe a state in which an individual's cells are chronically dehydrated. In the medical literature, the term is rarely used, and when it is used, different causes and symptoms are ascribed from its popular use in marketing, where it is often sensationalized and used to sell various health food products and water ionizers.
In medical literature, chronic cellular dehydration is not used to describe a condition distinct from chronic dehydration, but rather to point out the effects of chronic dehydration on an individual's cells. Thus, at least as it is widely understood, an individual who does not suffer from chronic dehydration is in no danger of suffering from chronic cellular dehydration. Some doctors state that the primary cause is substitution of water with coffee or cola drinks.  It may also lead to a weakening of the immune system, which may lead to other diseases. 
On the other hand, in marketing of various health food products, particularly beer marketed as having rehydrating properties, and most pervasively (or depending on one's point of view, notoriously) water ionizers. Different claims about the causes of chronic cellular dehydration are offered, depending on the marketing goals; it is clear, however, that the term is meant to refer to something distinct from chronic dehydration. As an example, consider the claim made by marketers of water ionizers that ionized water is more readily absorbed by the body. The crux of this claim is that even when an individual consumes sufficient water, the body may not absorb enough to combat chronic cellular dehydration. These claims are usually coupled with blaming on chronic cellular dehydration a wide variety of health problems.
One of the suggested solutions is adding a tablespoon of salt to two quarts of water.  However, that recipe is approximately three times the recommended amount of salt in the World Health Organization's Oral Rehydration Solution (ORS), which calls for 1/2 teaspoon of salt per liter (quart) of water, which would translate to 1 teaspoon of salt per 2 liters (2 quarts) of water.
- Timothy Brantley (29 January 2007). The Cure: Heal Your Body, Save Your Life. John Wiley and Sons. p. 114. ISBN 978-0-471-76825-8. Retrieved 25 March 2012.
- Michelle Tonkin; Melissa Tonkin (December 2007). That's the Key.Unlocking the Door to Health and Freedom in Every Area of Your Life. Xulon Press. p. 40. ISBN 978-1-60477-262-3. Retrieved 25 March 2012.
- Tonya Zavasta (31 October 2007). Quantum Eating: The Ultimate Elixir of Youth. BR Publishing. p. 132. ISBN 978-0-9742434-5-0. Retrieved 25 March 2012.