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.

Vape pens are the e-cigarettes of the pot world. But marijuana concentrate, which users load into the vape pen, is dangerously potent. (This story... Pot Vape Pens, The Crack Cocaine Of Marijuana ...