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Re:Monsanto Weedkiller Is ‘Probably Carcinogenic,’ WHO Says by eurleif on Saturday March 28, 2015 @12:03PM (#9281831)
>With UV, that mechanism is the production of vitamin D in the body, a lack of which causes a wide variety of health issues and may have a link to the development of cancer.

I imagine that vitamin D production and DNA damage are separate events. Presumably, both can occur at the same time.

So would someone who took vitamin D supplements but didn't get sun exposure be slightly less likely to develop cancer than someone who got just enough sunlight for their body to produce enough vitamin D?

If that's the case, it's not really a general rule that small exposures to carcinogens prevent cancer.

Re:Monsanto Weedkiller Is ‘Probably Carcinogenic,’ WHO Says by jp555 on Sunday March 29, 2015 @09:01AM (#9284667)
I've just recently seen work that's exploring vitamin D suplimation vs. sunlight derived vitamin D and they're finding the sunlight provides more benefit than no sunlight exposure and Vitamin D suplimation.
Re:Monsanto Weedkiller Is ‘Probably Carcinogenic,’ WHO Says by drhodes on Saturday March 28, 2015 @12:13PM (#9281872)
FWIW, I have a friend with a form of skin cancer who got orders from his doctor to go to a tanning salon.