are blu cigarettes safe blu.com - Scheduled Maintenance E-cigarette long-term efficacy & safety:

PMID 26290119

After its proven success with Blu in the United States, the company decided to use the same strategy in the worlds second-largest e-cigarette market, and recently bought British e-cigarette brand Skycig, for $49 million

Whereas an excise tax is a fixed dollar amount per pack

For cig smoke like the thin stuff, you may get away with faster renders and not using any density at all, just adjust the emission channel, but feed it correctly, see my image, tweaking a rgb curve right

Pets play with toys that have been exposed to e-cigarette aerosol and will eat scrapes off the floor that contains e-cigarette aerosol residue