The number of new cases of diabetes diagnosed in the U.S. declined significantly from 2009 to 2014 after steadily rising for 25 years, according to new data released today by the Centers for Disease Control and Prevention. The U.S. recorded 1.4 million new cases in 2014, down from 1.7 million in 2008, a decline of about 20%. The decline was largest among whites, who had a lower incidence rate overall.