Various food items that contained trans fats in November 2013. That month, the Food and Drug Administration first announced plans to ban partially hydrogenated vegetable oils from all food products. A final rule is expected any day now. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images

Last year, Long John Silver's Big Catch platter — which contained a whopping 33 grams of trans fats — won the dubious distinction of "worst restaurant meal in America" from a health watchdog group. Now, the fast-food chain says it has ditched the unhealthful fats from its menu. Tom Spaulding/Flickr hide caption

itoggle caption Tom Spaulding/Flickr

A vending cart with breakfast foods in New York City. In 2008, the city expanded its trans-fat ban from spreads and frying oils to baked goods, frozen foods, and doughnuts. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images