Marijuana and Your Lungs: Is Vaping Safe for People with COPD? Secondhand marijuana smoke and kids Harvard Health Can you get high from secondhand weed smoke? Silver Therapeutics Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY Spliffs: What They Are and How They Affect Pot Use FHE Health Focused on the Facts: Secondhand Marijuana Smoke American Nonsmokers' Rights Foundation no smoke.org