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In Reply.—Dr Crook's comments get right to the heart of the issues involved in the relationship between diet and behavior. He says, "I freely admit that the conditions of some of my patients who were hyperactive may have improved after dietary manipulation for a variety of reasons...., I make no claim to understand the mechanisms involved." The point is that Dr Feingold does make a claim that the mechanism underlying behavioral change is the body's response to specific food additives. I agree that there is apparently a relationship between diet and behavior. (Dr Conner's studies demonstrate this, for example.) What isn't clear is whether behavioral change is attributable to food additives or other effects such as psychological ones. For the practitioner whose main goal is to improve function, it may not matter whether improvement is a result of one factor or another, as long as the treatment is not
WENDER EH. Adverse Reactions to Food Can Cause Hyperkinesis-Reply. Am J Dis Child. 1978;132(8):820. doi:10.1001/archpedi.1978.02120330091027