How to use a vape pen: Tips on getting the most out of a marijuana vaporizer The Denver Post We've all heard it before: Vaping is safer than smoking. But is it really? Our resident cannabis doctor breaks it down at the link in our bio. How People who Smoke or Vape Cannabis Transport the Chemical Residue into Clean Spaces Thirdhand Smoke Resource Center Are Weed Pens Bad for You? What You Need to Know Before You Start Vaping