After you use a wax pen, THC may be detectable in your urine for about 30 days, depending on how frequently you use THC, the testing method, and other factors. People can use wax pens to smoke or ...

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 ...