These additives have all been linked to behavior issues including:
Attention Deficits, Hyperactivity (ADD / ADHD)
Autism, PDD, Aspergers
Dyslexia, Dysgraphia, Learning Disabilities
Eczema, Hives (Urticaria)
Eye Muscle Disorders, Strabismus, Nystagmus
Irritable Bowel Syndrome
Obsessive Compulsive Disorder (OCD)
Sleep Disorders, Nightmares, Night Terrors
MSG, household chemicals and salicylates are also a concern for us.
This youtube video is a good introduction to the Feingold philosophy and diet awareness.