These considerations lead to suggest that future studies could, separately, assess the dierent elements of the PS-ECDI (frequency of consumption, motivation, withdrawal, diculty in quitting, and craving), include other instruments used in the assessment of similar characteristics (see review of Bold et al., 2018), and assess its correlation with other measures of consumption, for example, the amount of nicotine consumed in mg (as carried out by Foulds et al, 2015) or biomarkers of nicotine concentration in the blood (as in Piper et al., 2019)
These data also suggest a much more diverse composition of cigarette smoke compared to e-cigarette aerosols
B., Zhang, L., Ashley, D
But what is most disturbing is the generalizability of its lessons: this is not the story of an exception but of a rule
Consumers need to be aware that these devices are controversial because of the way they are marketed and because of the health hazards therein