I do not have any experience with add or adhd but food can cause problems or issues for anyone( headaches,pain, sleepiness etc) Keeping a food diary with regards to your child's behavior can certainly be helpful. My neighbor realized that her daughter had a problem with that orange cheese that they put on cheetos, doritos ,cheez-its. They caused her child to have excruciating headaches.It took them a while to figure it out though as those foods where not ones that she ate on a regular basis. Best of luck!
