Magnesium deficiency causes muscle spasm (e.g. blood vessels) AND! endothelial dysfunction by inducing pro-inflammatory and pro-atherogenic events. Pubmed is full of papers!

http://www.ncbi.nlm.nih.gov/pubmed/20600865
http://ajcn.nutrition.org/content/85/4/1068.long
http://www.jle.com/e-docs/00/04/4C/4D/article.phtml


Magnesium deficiency promotes a pro-ath... [Biochim Biophys Acta. 2010] - PubMed - NCBI
www.ncbi.nlm.nih.gov
Phenotypic modulation of endothelium to a dysfunctional state contributes to the pathogenesis of atherosclerosis, partly through the activation of the transcription factor NFkB. Several data indicate that magnesium deficiency caused by prolonged insufficient intake and/or defects in its homeostasis…