A proposed California bill could force popular candies like Skittles to change their recipes — or stop selling them in California altogether. In February, Assemblymember Jesse Gabriel introduced Assembly Bill 418, which would prohibit the manufacture, sale and distribution of food products containing five chemicals linked to cancer and other health risks. One of these chemicals is titanium dioxide, which is listed as an ingredient in Skittles on the candy brand's website. Last July, a lawsuit filed in California alleged that Skittles are "unfit for human consumption" because they contain titanium dioxide; however, the lawsuit was dismissed in November. In...