There is limited evidence surrounding the safety of ‘vaping’. Vaping devices, also commonly called e-cigarettes, are devices that heat liquid solutions to the point of vaporization. This vapor, which condenses into an aerosol, is then inhaled by the user through a mouthpiece. Vaporization may release harmful chemicals, such as formaldehyde, which is a potential carcinogen. Many liquids also contain nicotine in widely varying amounts.
Research suggests that emissions from these devices, while less dangerous than tobacco smoke, could be harmful to the user as well as nearby non-users. The effects of long-term, frequent exposure to e-cigarettes aerosol are not yet known. Some studies, however, indicate that long-term exposure to e-cigarette aerosol can cause lung damage.
Although research results vary, e-cigarette use can result in the following: