The Centers for Disease Control and Prevention Thursday published the results of a study on the effects of nutrition labeling on fast-food menus from 2005 to 2011.  Researchers were interested in the impact of locally instituted regulations by various states and municipalities, including New York City, on the overall “healthfulness” of menu offerings.  The report concluded that mandated menu labeling at fast food chains did not improve nutritional content.  While there was a 50 percent increase in “healthier” options (from 13 percent to 20 percent of all menu selections), overall menu nutrition was unchanged.  From the report [emphasis added]: