The beneficial effects of potassium and the harmful effects of sodium have recently received attention.
For example, lithium, sodium , and potassium comprised a triad of soft, highly reactive metals.
The second most abundant ion was potassium, followed by sodium , magnesium, manganese and iron.
In the body, it is essential to keep levels of sodium and potassium in balance.
The salts of sodium and potassium are the main providers of the osmotic strength of body fluids.
Too much sodium makes the body excrete calcium, threatening bone density and strength.
Diuretics reduce fluid retention in the body by encouraging the removal of salts such as potassium and sodium from the blood.
These will include blood samples to find out levels of sodium , chloride, potassium and urea.
Finally, one of the more esoteric chemical markers to be found in ice cores is sodium .
It's important to cut down on salt because salt contains sodium and having too much sodium can raise blood pressure.