I don't know about carcinogenic, some sources say yes, but I think in general, rosins vapors and its pyrolysis products are not great to inhale as it can contai

I don't know about carcinogenic, some sources say yes, but I think in general, rosins vapors and its pyrolysis products are not great to inhale as it can contain some pretty nasty chemicals. Lead on the other hand vaporizes well above soldering temperatures... Can / does rosin vapor can carry lead?