“The alarming fact is that fruits, vegetables and grain now being raised on millions of acres of land that no longer contain enough of certain minerals are starving us-no matter how much of them we eat. No man of today can eat enough fruits and vegetables to supply his system with the minerals he requires for perfect health because his stomach isn’t big enough to hold them.” ---

– Senate Document 264 regarding mineral deficiencies affecting U.S. farmland, (issued in 1936)