Due to mucus and inflammation, the odors cannot reach the top of the nasal cavity resulting in total or partial loss of ability to smell or anosmia
A 2013 study in the medical journal Nicotine and Tobacco Research that followed 174 people seeking treatment for opioid addiction 81 percent of whom were smokers found that people who kept smoking while in treatment were less likely to complete a six-day detox program tapering them off methadone
1 2 Miles 2001, p
Assuming there are no occupants in the car who are under 18, and it is not a work vehicle, it is legal for passengers to smoke in it
"While it may be argued that time spent on smoking breaks enhances productivity, providing an opportunity for refreshment and reflection, there is probably a decrease in productivity in the time before the smoking break which, on average, cancels out the effect, leaving the smoking break itself as lost productive time," it adds
In fact, evidence suggests that pain can be a strong motivator of smoking
