Hey there, so I did some reading on this and it’s a complex topic. It seems like you’re right though, there is a chance of getting something called lipoid pneumonia when inhaling something made from lipids, like an oil. That being the case, people are apparently still mixing PG and VG 1:1 and then adding oil 1:1 with that mixture. I would be careful with that in my opinion, but if you’re interested you can join the Hempworx testimonial group and then do a search for vaping. You’ll find a ton of discussion about it. Otherwise if you’re not set on vaping, sublingual CBD delivery is pretty efficient, although as I’m sure you know, not as immediate as vaping.
Hope that helps!