The above-noted reports provided evidence of reduced levels of HPHCs in e-cigarette aerosols compared to cigarette smoke, others have raised concerns about the levels of carbonyl compounds such as acetaldehyde, acrolein, and formaldehyde in aerosols generated by heating e-liquids, as well as metals that may be released from the device components [8, 54, 55]
The good news is, more evidence is on its way
Alternative Names Secondhand smoke
I found and bookmarked a link to this site some time ago that helps you print out pipe tobacco labels for the lids of mason jars: I haven't played with it, but it looks intersting
There is no real difference between smoking a fresh or stale cigarette
Burning creates cancer-causing chemicals that are inhaled by the smoker