is tobacco delivery legal State Laws Prohibiting Sales to Minors and Indoor Use of Electronic Nicotine Systems — United States, November 2014 DPH Tobacco Prevention: Youth Access

Additionally, the number of neighborhoods with 3 or more retailers selling these cigars per 100 youth residents decreased from 12 stores to 3, reducing neighborhood-level disparities in retail availability

There are 12 references cited in this article, which can be found at the bottom of the page

That we even have to discuss, after all the evidence we have of the lack of acute harm, and the lack of any objective evidence of harm in the longest term users (who are heading towards a decade of use) whether these products are safe enough is utterly mind-boggling

The person reaches a point where he/she is short of breath even while resting or inactive, and will require an oxygen mask or tube to breathe, in later days

14-7983 2014 [Google Scholar] Surveillance of moist snuff: Total nicotine, moisture, pH, un-ionized nicotine, and tobacco-specific nitrosamines