Claviceps Purpurea : Ergot, a parasitic fungus affecting rye bread grains, an LSD base ingredient

http://www.westonaprice.org/modern-diseases/against-the-grain/

Seems best to have a double-blind, clinical trial/study on calcium propionate & potassium bromate's safety in flour here in the U.S. Remember that suspicious, unknown-caused, breast cancer cluster in the Metro San Francisco, California area?