Three Simple Nutrients for Migraine Relief, by Al Sears, M.D.

“...Magnesium – One of magnesium’s main jobs is to tone the blood vessels. Scientists have linked certain types of migraines to problems with blood flow and pressure in the vessels. So if you have low magnesium levels, you could benefit from taking magnesium supplements…” http://www.nutritionalmagnesium.org/three-simple-nutrients-for-migraine-relief/