RelativeResourceManager2 - ACSM CURRENT COMMENT Dehydration...

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Dehydration and Aging Water serves a vital role in the everyday operation of cells within the body. The maintenance of water balance is essential for health and is determined by a sophisticated scheme that balances water input (drinking) and water output (perspiration, urine) from the body. Specific mechanisms interact to control thirst, drinking behavior, and the output water from the kidney when the body is faced with a water deficit. However, restoring body water balance following dehydration ultimately depends on mechanisms that regulate fluid intake or drinking. Despite these sophisticated defense mechanisms, the restoration of water balance following dehydration is usually slow and incomplete; a problem termed “involuntary dehydration.” Thus, even healthy young adults should be advised of the benefits of complete water replacement following dehydration. More importantly, it has become increasingly clear that the ability to regulate fluid balance in response to fluid deprivation or dehydration is compromised in older individuals. Decreased ability to regulate water balance can adversely affect the aging population, leading to increased risk of dysfunction, morbidity, or mortality. In addition, these problems in body fluid regulation are often exacerbated by the presence of other chronic diseases associated with aging, such as hypertension or cerebrovascular disease. As such, the aging population
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RelativeResourceManager2 - ACSM CURRENT COMMENT Dehydration...

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