Cancer expert warns of complex causes behind rising rates in Midwest Dr. Marian Neuhouser of the Fred Hutchinson Cancer Center in Seattle explains how overlapping environmental and lifestyle factors could be driving a rise in cancer rates across Iowa and the greater Corn Belt region. NEW You can now listen to Fox News articles! While the rest of the country’s cancer rates are falling, those in Iowa, Nebraska, Illinois, Minnesota, Indiana and Kansas — known as the "Corn Belt" — are rising at an