difference between cannabis and tobacco Use on the Rise, Especially Among Older Adults The Impact of Dual Cannabis

12 While there is much debate over the safety of e-cigarettes, several researchers have said that e-cigarettes should be used as harm-reduction because they do not contain as much tar and other harmful substances as cigarettes do

Youth and young adult users should also be aware that some e-cigarettes (also called vapes) can contain high levels of nicotine, even as much nicotine as a pack of regular cigarettes

The group was split into two, with one asked to quit on a given day

This is sometimes called compensating. If someone smokes more because it feels easier, that could reduce or cancel out some of the benefit of filtering

My grandpa didn't wear it