cigarettes hand luggage in Carry-on luggage: 10 rules on flights you didn't know about and multiple color options. Travelling with E-Cigarettes | E-Cigarettes

The American Lung Association states marijuana smoke damages lung tissue, causes chronic bronchitis, and releases harmful substances, similar to tobacco smoke

So the door window and rear passenger glass have to seal against each other with a single strip of rubber

Nardone N, Jain S, Addo N et al (2019) Sources and biomarkers of secondhand tobacco smoke exposure in urban adolescents

42A.102

Other subjective sensations related to tobacco smoking (such as the strong throat hit, or the effect of nicotine on the mucosal membranes) may also be somewhat inadequately represented by the current data

"While this investigation is ongoing, CDC recommends that people consider refraining from using e-cigarette, or vaping, products, particularly those containing THC," said Brian King, a spokesperson for the CDC