<P> Hyponatremia, or blood sodium levels below 135 mEq / L, causes brain cells to swell; the symptoms can be subtle and may include altered personality, lethargy, and confusion . In severe cases, when blood sodium falls below 115 mEq / L, stupor, muscle twitching or spasms, seizures, coma, and death can result . Acute hyponatremia is usually caused by drinking too much water, with insufficient salt intake . </P> <P> Although many health organizations and recent reviews state that high consumption of salt increases the risk of several diseases in children and adults, the effect of high salt consumption on long term health is controversial . Some suggest that the effects of high salt consumption are insignificant . </P> <P> Excess sodium consumption can increase blood pressure . Most studies suggest a "U" shaped association between salt intake and health, with increased mortality associated with both excessively low and excessively high salt intake . </P> <P> Health effects associated with excessive sodium consumption include: </P>

What is the effect of salt in human body