California is banning them in schools. The FDA says they’re fine. But synthetic dyes added to food to make them more colorful have a long, troubled history.

With dyes like Red 40 and Yellow 5 coloring everything from cereals to energy drinks, concerns are mounting over potential ...

For individuals who are concerned, Holton recommends avoiding foods that contain artificial dyes, which are easy to identify on food labels with a color and number indicating the dye clearly stated, ...

Consumption of artificial food dyes, in the form of neon-orange candies, chartreuse sports drinks and color-amped dried fruit, has increased five-fold since the 1950s.