cigarette lighter burn scar 1960s and 70s auto : r/nostalgia Do y'all remember the “smiley
Description
The study found that despite cleaning regimens, nicotine and other chemicals remained in upholstery, dashboard and on dust in the air
Inconsistency, transitivity, and publication bias Study characteristics across all those included were comparable (Table 1), suggesting the transitivity assumption was unlikely to be violated

But THC products do not seem to be the sole culprit of the recent injuries

Propylene glycol and vegetable glycerin common additives that can create irritants when vaporized

Smokers describe the flavour as developing rather than consistent, with character shifting subtly as cigarettes progress
