done and done. the only thing i notice is my personality, otherwise id like to say im just fine, and ive been toking for about a year, at some points 6 times a day
There's the chance of it bringing out mental health conditions that may be already present, but I don't think it's actually neurotoxic. Infact I think it could be neuroprotective is some ways.
Other than that, there's the obvious carcinogens from smoking. But vaporization pretty much stops that.