There are all sorts of products out on the market made to wean smokers off a dangerous habit—the patch, the lozenge, and the gum, for example. Yet, what about the e-cigarette? Though it’s marketed as ...

They're the hallmark of vaping — the massive clouds that sometimes come in different shapes. But how does a little e-liquid become those clouds? We're going inside an e-cigarette to find out. The ...