" children's cancers -- which has been a theoretical concern.The good news is that there does not seem to have been an increased risk of childhood cancer, said lead researcher Amy M. Linabery, of the University of Minnesota in Minneapolis.In 1996, the U.S. mandated that enriched flours, breads, pastas and other grain products be fortified with folic acid, the synthetic version of the B vitamin fol" . . . . .