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General description	The most important extracellular cation.
Found	- shellfish - meat - poultry - milk - cheese
Anti-aging role	- maintain proper fluid balance - vital component of nerves - stimulates muscle contraction - help to keep calcium and other minerals soluble in blood - stimulating the adrenal glands - preventing heart prostration
Deficiency symptoms	- headaches - excessive sweating, heat exhaustion - respiratory failure - muscular cramps - collapsed blood vessels - stomach and intestinal gas - chronic diarrhea - weight loss - kidney failure, TBC of kidneys - streptococci infection
Therapeutic doses	RDA: 200- 600 mg

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