CONCLUSIONS There is a need to improve the quality of the designs of future studies, to obtain more robust evidence
The RAZ VUE 50K and the Beri Crush 50K both deliver 50,000 puffs, matching the highest-capacity Geek Bar models like the Clio 50K
Vape cartridge size variations can vary widely
Over a longer period, the changes are particularly marked: since 2010, experimentation with tobacco has decreased by a factor of four among middle school students and by a factor of two among high school students, while daily smoking among the latter has decreased by a factor of five
Yet, no research has been able to demonstrate an increase in cigarettes or FTND scores in these smokers
In many cases, the fuel is liquefied butane, stored under pressure