Peanuts were a problem for 9 percent of households that reported someone with a food allergy or intolerance. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Three examples of proposed warning graphics that will appear on cigarette packaging as part of the government's new tobacco prevention efforts. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP

An AquAdvantage genetically engineered salmon behind a non-transgenic Atlantic salmon sibling of the same age. Courtesy of AquaBounty Technologies hide caption

itoggle caption Courtesy of AquaBounty Technologies