Eastern Michigan University Master’s Theses. 2013.
Bell counted number of exposures to food dye, not the actual amounts of dye, consumed, and she found that children are exposed to food dyes at least twice as much as adults. She also found that fruit and vegetable consumption was inversely correlated to the number of dye exposures per day in the children.
NOTE: It would be interesting to repeat this sort of study in a decade or so, since it appears we are training a generation of future adults to consume little more than easily-available and highly-advertised processed foods.