cigarette burn marks A Worthwhile Diagnostic Clue: “Cigarette-burn... : Current Medical Issues Images in Emergency Medicine -
Description
Even among current smokers who are interested in using IQOS to help them quit, public health benefit hinges on whether quit intentions translate into actual smoking cessation over time

Tobacco giant Altria Group Inc

additional monitoring visits will occur annually or after every 30 additional participants have been enrolled at the site, whichever comes first
The more VG there is in the e-liquid, the bigger the clouds

For one person it can just be the case of recognising how much cigarettes are costing and giving up there and then with no issues