Some food additives are taken by patients with RA.
Keep in mind that food additives like baking powder often have cornstarch added to them.
A widely publicized study conducted by Dr. Ben Feingold in the early 1970s suggested that allergies to certain foods and food additives caused the characteristic hyperactivity of AD/HD children.
Although some children may have adverse reactions to certain foods and food additives that can affect their behavior, carefully controlled follow-up studies have uncovered no link between food allergies and AD/HD.
Foods containing gluten are easy to come by thanks to the advent of numerous food additives.