Are Weed Vape Pens Safe? California recalls cannabis vape months after it was told of contamination Los Angeles Times Links to E Cigarette Resources American Lung Association Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus Health Risks of E Cigarettes and Vaping American Lung Association Medical Marijuana Vape Pen: A Discreet and Fast Acting Option for Everyday Relief