50mg/ml nicotine compared to cigarettes in vapes equals 30 packs of Transitioning from Smoking to Vaping:

Menthol use is significantly more prevalent among adult smokers who are younger, from racial/ethnic minority groups, and have mental health conditions

Moreover, access to illicit cigarettes can also erode the effectiveness of cigarette taxation policies

More commonly known as Marijuana, it is often argued to be medicinal

the autopsy lung was more impressive. (Male, smoker) The pictorials that presented the impact of smoking without displaying the image of the affected organ (Figure 1, pictorials 79) were defined as illusionary

The problem is that not only did it turn out that these devices don't really help people quit, they are being marketed to youth, and youth are buying them