a narrow opening produced by cleavage or separation of parts. 2. cleavage (def 1). 3. Anatomy. a natural division or groove in an organ, as in the brain. verb (used with object), fissured, fissuring. 4. to make fissures in; cleave; split.
A diet rich in potassium helps to counterbalance some of sodium's harmful effects on blood pressure. Foods that are good sources of potassium are listed in the Food Sources of Potassium table on the next page.
There are at least two supplements that can help lower high potassium levels and keep the threat of hyperkalemia at bay. Calcium effectively reduces potassium concentration in the body.here are at least two supplements that can help lower high potassium levels and keep the threat of hyperkalemia at bay. Calcium effectively reduces potassium concentration in the body.