hazelm Posted March 30, 2020 Report Share Posted March 30, 2020 (edited) I am wasting a lot of time searching dictionaries, indexes, and everything else looking for a simple answer. Perhaps someone can tell me and let me move on? What are the "four major mineral ions of the brain"? I am guessing one is calcium. If right, what else? Thank you. Edited March 30, 2020 by hazelm Quote Link to comment Share on other sites More sharing options...
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