Vaping Cannabis Produces Stronger Effects Than Smoking Cannabis For Infrequent Users Johns Hopkins Medicine How People who Smoke or Vape Cannabis Transport the Chemical Residue into Clean Spaces Thirdhand Smoke Resource Center Vaping vs. Smoking Weed: Is One Safer? Young Adults Mix Cannabis with Nicotine, Tobacco RT How People who Smoke or Vape Cannabis Transport the Chemical Residue into Clean Spaces Thirdhand Smoke Resource Center