Let's say a certain reader of this article, it doesn't have to be you, has enjoyed a marijuana vape pen once or twice or several hundred times in the past. This reader might justifiably be scared to ...

THC vape pens have taken the cannabis world by storm. They’re compact, discreet, and incredibly easy to use—no grinding, rolling, or loading required. Just pick it up, inhale, and you’re good to go.

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Last year, I joined some parents from my son’s preschool for their semiregular “Dad’s ...