On the Skin Cancer

Here's something interesting while I was doing some reading on the net...

While sunscreen has been shown to protect against BCC and SCC it may not protect against malignant melanoma. When sunscreen penetrates into the skin it generates reactive chemicalsThe experimental and epidemiological evidence suggests that sunscreen use is correlated with malignant melanoma incidence. This gives rise to questions regarding the possibility that a sunscreen user's lifetime exposure to ultraviolet light may be higher than average. Alternatively, one might question whether sun screens are themselves tumor promoters or carcinogens. Arguably, sunscreen users are the ones most likely to be burned or have been burned by sun light. Similarly, most sunscreens primarily screen UVB, the primary cause of sunburn, while UVA is the primary cause of melanoma. Thus, by limiting the discomfort of sunburn, UVB screening may indirectly result in more UVA exposure. In any case, if some sunscreens promote skin cancer, physical light-scattering sunscreens based in zinc oxide, titanium dioxide or some other natural base are likely safer than chemical blockers such as benzones, etc., as they will be less chemically active.
[quote from: http://www.nanohealthtechnology.com/home/health/skin-cancer/]

*Ahem* Sun-tanners... Something to ponder about here.

Perhaps looking all sexy with that tan-lines isn't really that sexy after all?