Coal Tar and Oil Artificial Coloring
Color additives such as red 40 and yellow 5 are artificially created from coal tar and petroleum. Research has shown that bland coloured food is far less appealing to customers, so companies pump them full of these things.
Found in: Pretty much everything we eat, from candy to macaroni and cheese.
Health Hazards: Brain cancer, nerve-cell deterioration, and hyperactivity in children.
Banned in: Much of the European Union