Marijuana and Your Lungs: Is Vaping Safe for People with COPD? Marijuana and Vaping: Shadowy Past, Dangerous Present The New York Times Weed coming on too strong? Dosing is intended to give vapers control over their cannabis Los Angeles Times How Long Do Vape Carts Last? Shelf Life & Usage Guide Green Sativa Vaping Weed May Be Worse for Lungs Than Smoking, Study Shows Bloomberg Impacts of vaping and marijuana use on airway health as determined by exhaled breath condensate (EBC) Respiratory Research Springer Nature Link