If EMTs rescue you from a fire, the first thing they do is treat you for smoke inhalation.
If you toke a cigarette and exhale, there is a small cloud of smoke.
If you take a similar toke on a vape device, the cloud is considerably larger and denser.
There are hundreds of vaping oils commonly available and there are few studies of their medical effects. When they are mixed, there is zero formal research.
Vaping is multi-billion dollar industry and those folks will do everything in their power to avoid responsibility. Those of us that watched the long and difficult struggle to impose smoking bans see the same thing happening to this epidemic.
Many, many more young folks are going to have to die before vaping is either banned or seriously regulated.