Marijuana and Vaping: Shadowy Past, Dangerous Present The New York Times Vaping death and outbreak of severe lung disease linked to marijuana oil in e cigarettes: What we know oregonlive.com The Pros and Cons of Vaping Weed Tools420 Store Marijuana and Your Lungs: Is Vaping Safe for People with COPD? Here's how your dab pen and vape could affect your mental health National Geographic Vaping Weed May Be Worse for Lungs Than Smoking, Study Shows Bloomberg