There have been reports for a while of this ilk but I was reminded of it by a different article I read today (not this one)

http://www.nhs.uk/news/2012/06june/P...arcinogen.aspx

I have been concerned for a while about this, but as yet I still believe the fumes from welding which contain metal particulates are far worse for example which many of us are exposed to from time to time