To mitigate the inevitable issue of multicollinearity and potential effect modification among age at initiation, baseline age, and total pack-years, we based our analyses on a large population-wide cohort that allowed stratified analyses according to total pack-years of smoking exposure
If you walk into a [factory] and its a mess, and theres no organization, and its filthy dirty, whats it say about your boats
You usually have to fill in some kind of paperwork before you fly
High-VG e-liquid (60% VG or above) is too thick to be absorbed by the coils used in normal vape pens, and will give you an unpleasant taste
They also may or may not contain caffeine, THC, CBD, or other psychoactive substances dissolved into a liquid base