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  4. If there are positive results on the Cyrex Array 4, do you tell the patient that they have to eliminate those foods forever?

If there are positive results on the Cyrex Array 4, do you tell the patient that they have to eliminate those foods forever?

Chris Kresser: I do not. I know that Cyrex’s response is a little more nuanced. They say if a patient is reacting to any cross-reactive foods, then, yes, they say those need to be removed forever, and it will probably never change, even when the gut is healed. But they say for any reaction to other proteins that are not cross-reactive with gluten, that maybe after the gut heals, then you can see a change in those markers. My response is I’m not 100 percent convinced yet that if someone tests positive for cross-reactive foods that they’re always going to have to remove them. I’ve actually seen patients who have tested positive for some cross-reactive foods, like dairy proteins, and we’ve addressed their gut issues, and we’ve retested after a dairy challenge, and they’re not producing antibodies and they don’t have any symptoms. So I’m reluctant, personally, to tell that patient that they can never have dairy products again, if they’re not producing antibodies after a rechallenge and not having any symptoms. My mind is open on that, but at the current time, I’m not willing to tell people to remove something from their diet forever when we don’t really have a substantial amount of evidence pointing in that direction.

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