Magnesium and Concussive Brain Injury - The Neurometabolic Cascade of Concussion.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC155411/

“....Expert Commentary:
In this study the researchers showed that magnesium is reduced in the brain cells after a concussion-type injury potentially worsening damage and dysfunction in the nerve cells. This occurred due to the impairment in ATP or energy production in the low magnesium environment and due to the low magnesium level’s allowing Calcium to flood the cells. When the researchers restored magnesium levels in experimental animals the subjects’ motor performance, (the ability of the nerves to stimulate the muscles to function), improved. Unfortunately, nutritional deficiency is on the rise in the United States due to the trend for “convenience” foods. Magnesium is an important and often overlooked mineral and supplementation can improve health conditions currently affecting many Americans.
Michael A. Visconti, ND, AP...” source: http://www.nutritionalmagnesium.org/magnesium-and-concussive-brain-injury/