05 Sep 2013 --- Deficiencies of vitamins A, D, K, B1, B3, B6, B12 and folate, and of minerals iodine, potassium, iron, magnesium, zinc, chromium and manganese can all contribute to mental instability and violent behavior, according to a report published in the Spring 2013 issue of Wise Traditions, the journal of the Weston A. Price Foundation.
