US regulator bans red dye No. 3

After the recent ban on Red Dye 3, food manufacturers are turning to FDA-approved dyes like Red Dye 40. But is Red 40 safe?
FDA announces ban on red dye No. 3. Here's what to expect — and why some families already avoid the food coloring.
A bill under consideration in the Iowa House would ban margarine and two food additives from the lunches and breakfasts ...