Magnesium is a natural muscle relaxer, it dilates blood vessels, participates in over 300 enzymes in the body, and is considered one of the essential electrolytes needed for proper function of the heart and nervous system. We would die without it, it is that essential. Chlorophyll contains magnesium, which means that most green colored vegetables (especially dark leafy green) will also be good sources of magnesium if one does not wish to take supplements.
CMV = CytoMegaloVirus - thought by some to be linked to Fibro and Chronic Fatigue Syndrome.
BTW, I test negative for all the viruses and have never had chicken pox or the vaccine for it. I don't know if this is due to my wacky immune system or what, but the doctors are even surprised I don't test positive at least for HHV (they told me 98% of the population has been exposed to some variety of HHV).