Add Yahoo as a preferred source to see more of our stories on Google. “Because our bodies are made up of around 60% water, nearly all of our cells are made up of electrolytes,” says Dana Cohen, M.D., ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “Because our bodies are made up of around 60% water, nearly all of our cells are made up of electrolytes, ...