Home What's New 4 Mineral Deficiencies That LOWER Your IQ (Intelligence) 4 Mineral Deficiencies That LOWER Your IQ (Intelligence) CalorieNut Aug 06, 2022 comments off Tweet on Twitter Share on Facebook Pinterest CHECK OUT THIS STIMULANT FREE WEIGHT LOSS SUPPLEMENT LIMITED TIME DISCOUNTS ON YOUTHFUL COLLAGEN PEPTIDES HERE! 4 mineral deficiencies that lower your iq berg brain health cognitive copper deficiency deficiency dr berg dr eric berg dr. berg on low iq dr. berg on mineral deficiencies eric berg intelligence iodine deficiency IQ iron deficiency low iq low iq causes low iq symptoms magnesium deficiency magnesium deficient mineral deficiencies mineral deficiencies that lower IQ mineral deficiency vitamin d deficiency zinc deficiency zinc deficiency symptoms