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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 free water intake. This is usually due to excessive sweating, disease, or a lack of access to water. Mild dehydration can also be caused by immersion diuresis, which may increase risk of decompression sickness ...
When your blood volume drops from not drinking enough water, your body has to work to conserve blood pressure to ensure the body can carry out its normal functions and maintain homeostasis, Dr ...
According to the Centers for Disease Control and Prevention, 15 percent of U.S. adults have chronic kidney disease, a health condition in which the kidneys can’t filter blood as well as they ...
When a person is ill, fluid may also be lost through vomiting, diarrhea, and hemorrhage.An individual is at an increased risk of dehydration in these instances, as the kidneys will find it more difficult to match fluid loss by reducing urine output (the kidneys must produce at least some urine in order to excrete metabolic waste.) [citation needed]
If the water volume of the body falls below a certain threshold or the osmolite concentration becomes too high, structures in the brain detect changes in blood constituents and signal thirst. [ 2 ] Continuous dehydration can cause acute and chronic diseases, but is most often associated with renal and neurological disorders. [ 1 ]
The kidneys can also generate dilute urine to balance sodium levels. [8] These electrolytes must be replaced to keep the electrolyte concentrations of the body fluids constant. Hyponatremia, or low sodium, is the most commonly seen type of electrolyte imbalance.
Dehydration may sometimes lead to or increase feelings of anxiety and other mood-related symptoms. This article explains the link. Dehydration may sometimes lead to or increase feelings of anxiety ...
Oliguria or hypouresis is the low output of urine specifically more than 80 ml/day but less than 400ml/day. [1] The decreased output of urine may be a sign of dehydration, kidney failure, hypovolemic shock, hyperosmolar hyperglycemic nonketotic syndrome (HHNS), multiple organ dysfunction syndrome, urinary obstruction/urinary retention, diabetic ketoacidosis (DKA), pre-eclampsia, and urinary ...