The article titled “The Role of Antioxidants in Skin Cancer Prevention and Treatment” [1] was found to contain a substantial amount of overlapping material with the authors’ previously published article [2].

Significant text overlap was also identified with the following sources:

[3] Santosh K. Katiyar, “Skin photoprotection by green tea: antioxidant and immunomodulatory effects”, Current Drug Targets - Immune, Endocrine & Metabolic Disorders, 2003. 10.2174/1568008033340171 (cited as reference 38 in the original article).

[4] An article posted in Life Extension Magazine, January 2003 ( (not cited in the original article).

[5] McArdle F, Rhodes LE, Parslew R, Jack CI, Friedmann PS, Jackson MJ, “UVR-induced oxidative stress in human skin in vivo: effects of oral vitamin C supplementation”, 2002. 10.1016/S0891-5849(02)01042-0 [5] (cited as reference 15 in the original article).

The authors apologize for this overlap.