Whether e-cigarette use precedes smoking or smoking precedes e-cigarette use is a critical question, but it is one which needs to be answered through longitudinal research. We need studies that follow the trajectory of teen tobacco/e-cigarette use over time. That is the only way to determine which comes first.

This research is good news for current users of electronic cigarette users who are using e-cigs to help reduce or quit using tobacco. It shows that medical professionals are at least having conversations about these products with their patients and, for many of the doctors involved, they believe that e-cigarettes are less harmful than smoking tobacco.

The Rest of the Story

LAST：JOYOU e cigarette Fogger V4 atomizer atomizer exgo |NEXT：cheap electronic cigarette battery mini ego battery alibaba.com in russian