“In blood tests, researchers observed more lesions and more mitochondrial DNA—that is, extra copies of genes—in veterans with Gulf War illness, relative to controls without the illness, suggesting excess DNA damage.”
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Chen, Y., Meyer, J. N., Hill, H. Z., Lange, G., Condon, M. R., Klein, J. C., … & Natelson, B. H. (2017). Role of mitochondrial DNA damage and dysfunction in veterans with Gulf War Illness. PLOS ONE, 12(9), e0184832. https://doi.org/10.1371/journal.pone.0184832