e cigarette pen Are vape pens, or e-cigarettes, ever the better option? E-cigarette, or Vaping Product, Use
Description
March 2004
Please join us
Broken down by individual tag by percentage, we found that cigar smoking was the overall most popular category
They focused on youth without asthma at baseline, which is a strength of the study as it excludes youth who may have pre-existing respiratory symptoms due to asthma
