In this Aug. 8, 2007 file photo, 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. Indiana was the first state to require the switch 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

NEW YORK (AP) — The World Health Organization is calling on all nations to rid foods of artificial trans fats in the next five years.