To smoke or not to smoke — that is the question. Or at least, it used to be. Now, the question everyone seems to ...

If you usually smoke in designated public areas, it won't look too weird if you have a THC vape pen. These portable devices ...

Decreases in exclusive cigarette smoking ... in exclusive e-cigarette use prevalence (1.2 to 4.1 percent). Decreases in prevalence rates of exclusive cigarette and pipe smoking (6.5 to 1.2 percent ...