It's depend of how u use, the device and frequency.
It's simple to understand that frequent hot flow, full of oil, will just fuck your throat. U just move a lung cancer to a throat one.
The reason "vaporisation" can't be use as an heavy way of medication.
Only good for acute relieves, and complementary to sublingual which must be the one fullfilling the most time.
Keep breathing in vaporizer every 20min and u will end up breathing like dark vador..
As the accustoming side effects... vaporisation can't be use, or said to be used medicaly for "insomnia" or "stress", chronicaly..
I have to do a day break every week.
And the day before it, i can just keep crushing bowl straight to high temp, with only light effect...
And the day after that, during my break, i can still feel my throat dry, from all those one hit.. (heavy herborizer).
3 to 5 bowl/day, between 0.06g and 0.09g bowl, a weekly day break, and i already have negative side effects appearing... it's not a huge consomation..
Another reason of throat irritation is due to the subconscious stop of breathing and swalowing.
Normal body reaction to aggressive exogene input, when u're not used.
Different phase of acceptation.
Phase 1 breathing stop, which lead to the "panic attack"
Phase 2 deeper breathing induced by/with bronchodilatation. But saliva swalowing stop with increased dryness of strong breathing.
Phase 3 throat nervous conscious taking back
Stay away from too frequent, hottest and milkiest hits..
And don't forget to breath and swalow
The most affected people by those effects, are the one who can benefit the most from marijuana