Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America Vaping: The Small Habit That Hits Harder Than You Think Maryland Physicians Care Secondhand smoke and aerosol Baltimore County Health Department Warns of Harmful Vaping Products The Eye of the Bluebird The dangers of vaping Baylor College of Medicine Blog Network 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.