The Impact of E Cigarettes and Asthma: What You Need to Know Marijuana and Your Lungs: Is Vaping Safe for People with COPD? Vaping: Safe? Or Are Your Lungs Going Up In Smoke? Does Vape Smoke Stick To Walls Does Weed Stain Walls: Understanding the Impact on Indoor Surfaces Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. Guidance for Secondhand Marijuana Smoke in Multi Unit Housing American Nonsmokers' Rights Foundation no smoke.org