The correlation of various mental illnesses with mineral and trace elements deficiencies or imbalances.

Iron (which is actually a copper deficiency for many), Iodine, Potassium, magnesium, molybdenum and vanadium are the minerals associated with Bipolar. http://lebensraum-permakultur.de/wp-content/uploads/2017/09/The-mineral-depletion-of-foods-available-to-us-as-a-nation-1940-2002.pdf