New study suggests synthetic dyes pose numerous health risks Fox News senior medical analyst Dr. Marc Siegel discusses the artificial food dyes used by American food companies and more on ‘America’s Newsroom.’ NEW You can now listen to Fox News articles! One of America's favorite snacks, Doritos, along with Cheetos, will be getting a recipe change .  Doritos, owned by PepsiCo, will no longer be made with artificial flavors or colors. PepsiCo will be removing artificial flavors and colors from