FILE - In this Monday, Oct. 30, 2006 file photo, a Kentucky Fried Chicken employee uses tongs to hold up an sample of the company's trans fat-free Extra Crispy fried chicken in New York. New York City... more 
FILE - In this Monday, Oct. 30, 2006 file photo, a Kentucky Fried Chicken employee uses tongs to hold up an sample of the company's trans fat-free Extra Crispy fried chicken in New York. New York City now has hard evidence that its ban on trans fat in restaurant food made a meaningful dent in people's consumption of the artery clogger and wasn't just replaced with another bad fat. The findings being published Tuesday, July 16, 2012 have implications beyond heart health, suggesting another strategy to curb the nation's obesity epidemic fueled by a high-calorie, super-sized environment. (AP Photo/Kathy Willens, File) less 
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Associated Press | Photo By Kathy Willens, File
Mon, Jul 16, 2012 5:19 PM EDT