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PMID: 254 FuCChenQ

And lack of quality sleep also interferes with glutathione levels and activity: your body makes more glutathione during slumber than at any other time, and sleep deprivation results in a significant decrease in glutathione levels

Cancer Res 59:23472352 Lee KW, Chun KS, Lee JS et al (2004) Inhibition of cyclooxygenase-2 expression and restoration of gap junction intercellular communication in H-ras-transformed rat liver epithelial cells by caffeic acid phenethyl ester

As urinary excretion of PA and other B6 vitamers are considered to be direct markers, they are discussed above

Jentsch, S