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Many of the earliest signs of dehydration, including fatigue, dizziness and muscle cramps, can often be attributed to the natural aging process, other health conditions or medications. Pay ...
The results, published Monday, are based on data collected over 25 years from more than 11,000 adults in the U.S. The participants attended their first medical visits at ages 45 to 66, then ...
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In physiology, dehydration is a lack of total body water that disrupts metabolic processes. [3] It occurs when free water loss exceeds intake, often resulting from excessive sweating, health conditions, or inadequate access to water. Mild dehydration can also be caused by immersion diuresis, which may increase risk of decompression sickness in ...
Dehydration is known to cause hyposalivation, [1] the result of the body trying to conserve fluid. Physiologic age-related changes in salivary gland tissues may lead to a modest reduction in salivary output and partially explain the increased prevalence of xerostomia in older people. [ 1 ]
Dehydration can occur as a result of diarrhea, vomiting, water scarcity, physical activity, and alcohol consumption. Management of dehydration (or rehydration) seeks to reverse dehydration by replenishing the lost water and electrolytes. Water and electrolytes can be given through a number of routes, including oral, intravenous, and rectal.
While the majority of people will recover within a few days, every year norovirus causes 900 deaths, mostly among adults aged over 65 and older, according to CDC data.
If dehydration is so severe as to cause shock (severely decreased blood pressure with insufficient blood supply to the body's organs), or a depressed level of consciousness, rapid infusion of saline (1 liter for adults, 10 mL/kg in repeated doses for children) is recommended to restore circulating volume.