While Adderall is a household name worldwide, what many people don’t know about it is that it’s also potentially carcinogenic. Many food dyes used in ADHD medications have been linked to aggression in children and other serious illnesses such as asthma. The food coloring used in Adderall, Blue 2, has been linked to brain cancer and has been banned in Norway, Belgium, Australia, Sweden, Switzerland, France, Germany and Great Britain. Read more here.