How to Vape Weed (Flower Vapes and Cannabis Oil Vapes) Vaping weed is popular, but there are many unknowns about its safety : NPR Sales of some marijuana vaping products can now resume in Massachusetts Vaping Marijuana Has Stronger Effects Than Smoking, Study Finds CardioSmart American College of Cardiology Weed coming on too strong? Dosing is intended to give vapers control over their cannabis Los Angeles Times Vaping For Beginners: How Do You Inhale and Exhale Vapor? Medical Marijuana, Inc.