on average how many cigarettes are smoked a day number of per hour of the day, maximum Level of use - AT

Human abuse liability assessment of tobacco and nicotine products: Approaches for meeting current regulatory recommendations

If, however, there remains a persistent bad earful odour after some time, you must seek consultation with your doctor

And "which is how law enforcement does it"

Like tobacco cigarette smoke, flavored electronic cigarette vapor has also been shown to induce pro-inflammatory markers in the brain, potentially due to nicotine, other constituents present in the vapor, or the interaction of nicotine and the constituents (158, 159)

In the second step, a Google Forms survey, accompanied by a mandatory informed consent form, was sent to the selected participants via their provided contact information