What about all the other things that might affect their immune system? Have they ruled them all out? Latent viral or bacterial infection? Allergies? Diet? Look

What about all the other things that might affect their immune system? Have they ruled them all out? Latent viral or bacterial infection? Allergies? Diet? Look at diet and Omega 6 consumption, that alone will screw with the immune system and throw the catecholamines off kilter. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6950146/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6950146/