A Milky-Way candy bar is deep-fried in oil free of trans fats at a food booth at the Indiana State Fair in Indianapolis on Aug. 8, 2007. Indiana was the first state to require the switch in cooking oil at its state fair. On Monday, May 14, 2018, the head of the World Health Organization called on all nations to eliminate artificial trans fats from foods in the next five years. (AP Photo/Darron Cummings, file)