"verbalis" - 1 õppematerjal

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are at a rest during prolonged exercise, and while Gatorade will have a slight improvement from water, drinking it to excess will do more harm than good." More on this below. In severe cases of hyponatremia, the kidneys ­ which help, among other things, to regulate water and electrolyte levels in the body ­ become overwhelmed. At rest, under normal conditions, your kidneys are a supremely efficient filtration system. In an interview withScientific American, Joseph Verbalis, chairman of medicine at Georgetown University Medical Center explains that a healthy kidney can process water at a rate of 800­1000 mL per hour without affecting the body's net H2O levels. Consume water at a faster rate than the kidneys can process it, however, and the excess is driven by osmosis to regions of the body with high electrolyte concentration, beginning with the blood and eventually seeping into the salt-rich interiors of cells throughout the body. The cellular influx of water is