it's bright and it's fun. but there are concerns that it is associated with hyperactivity in children. there have been some studies that show that which is why in the united kingdom it's basically banned. you can't use these colors and it's why these two mom bloggers, vani hari and lisa leake want it out of those products. they have petitioned for it to be out of those products. they put their petition on change.org. over 200,000 signatures. so we asked kraft, hey, what do you think about all this? and kraft told us in the u.s. we only use colors that are approved and deemed safe for food use by the food and drug administration. so there you have it. moms versus kraft all over a bright orange yellow color. >> what's the science behind it? because you know, as you know, anybody who knows a mom, or a dad, who's trying to get rid of some of the stuff from their kids' diet to see if they can control behavior in, in, in young children especially, they're trying to get this stuff out of their kids' diet. hat does the science say about it?