24 citations
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January 2001 in “International Journal of Cancer” This study from Los Angeles supports the idea that using permanent hair dye may increase bladder cancer risk in US women, especially those with a slow NAT2 acetylation phenotype.
349 citations
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January 2005 in “The FASEB journal” This review discusses the cutaneous serotoninergic/melatoninergic system's potential role in skin function and resilience against environmental and internal stresses, but does not report new experimental findings.