every doctor is pretty much taught to not recommend huffing medicinally under any circumstances.
period.
that is their procedure, they wont break from it blatantly like that.
now vaping is a solid solution, but I also think for those who are in the middle ground don't have any serious lung issues maybe a cough, just get better glass that filters better and use high grade hemp wick like humboldt traders hemp wick.... and also try to only get organic cured glue