Is that Subway? Middle East analyst Holly Dagres is on a hunt for fast-food lookalikes in Tehran. Holly Dagres hide caption

itoggle caption Holly Dagres

Goodbye, Sodas. McDonald's says it will now market and promote Happy Meals only with milk, water or juice. Bill Parrish Photography/PR Newswire/AP hide caption

itoggle caption Bill Parrish Photography/PR Newswire/AP

People gathered outside a Wendy's restaurant in New York City on Monday as part of a one-day strike calling for higher wages for fast-food workers. Justin Lane/EPA/Landov hide caption

itoggle caption Justin Lane/EPA/Landov

Long John Silver's Big Catch platter will net you 33 grams of trans fats in one meal. Courtesy of Clare Politano/Center for Science in the Public Interest hide caption

itoggle caption Courtesy of Clare Politano/Center for Science in the Public Interest

Teen boys are far less likely than girls to check out calorie counts before biting into that burger, researchers say. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Demonstrators from the Fast Food Forward rally protest Thursday outside a Wendy's restaurant in New York City. Mary Altaffer/AP hide caption

itoggle caption Mary Altaffer/AP

Visitors to one Kansas City hospital will no longer be able to buy a Big Mac on the premises. Keith Srakocic/AP hide caption

itoggle caption Keith Srakocic/AP

When they eat out at a restaurant, kids consume more calories than they do at home. Here, members of the Long Island Gulls hockey team enjoy a lunch at TGI Friday's back in 2007 in Marlborough, Mass. Bruce Bennett/Getty Images hide caption

itoggle caption Bruce Bennett/Getty Images