But there was one very important issue: he was vaping a 50mg pen, which Dr. Hoffman said is an extremely high level of nicotine. Most pens range from 3 to 20 milligrams. "He was vaping every ten ...

Vape pen prices can vary dramatically ... Concentrate straws are a type of wax pen that uses a heating tip on one end and a mouthpiece on the other. The tip is placed into a shallow dish of ...