U.S. regulators are weighing a question parents have asked since the 1970s: do artificial food dyes make children hyperactive?  A consumer group has petitioned the government to ban blue, green, orange, red and yellow food colorings. The synthetic dyes are common in food and drinks ranging from PepsiCo's Gatorade, Cheetos and Doritos to Kellogg's Eggo waffles and Kraft's Jell-O desserts.
READ MORE