# Does e-cigarette vapor (vaping) affect others (secondhand vaping)? Canonical page: https://clinicsjo.com/en/faq/does-e-cigarette-vapor-affect-others-secondhand-vaping Language: en Category: respiratory Publisher: ClinicsJo Published: 2026-09-13T17:52:52.822Z Content updated: 2026-09-13T17:52:52.822Z Translation (ar): https://clinicsjo.com/ar/faq/does-e-cigarette-vapor-affect-others-secondhand-vaping Yes, e-cigarette vapor can affect people around the user, which is known as secondhand exposure to e-cigarette vapor. This vapor consists of fine particles and droplets in the air and can contain potentially harmful substances such as nicotine, formaldehyde, and metals. Research indicates that these emissions may pose health risks to both users and others through secondhand exposure. [\[4\]]() Although e-cigarette vapor differs from traditional cigarette smoke, it is not just "water vapor." It consists of fine particles and droplets in the air and may contain potentially harmful substances. [\[4\]]() ## Components of E-Cigarette Vapor and Their Effects E-cigarette vapor contains several components that may be harmful when inhaled secondhand. Notable components include: - **Nicotine:** An addictive substance that can be dangerous to pregnant women and their developing fetuses, as it can harm the brain and lungs during their development. [\[3\]]() It is also the most common component in e-cigarettes. [\[2\]]() - **Metals:** The vapor can contain heavy metals. [\[4\]]() - **Formaldehyde:** A substance that can potentially cause cancer. [\[4\]]() - **Flavorings and Solvents:** Such as propylene glycol and glycerin, which are the primary components of the liquid that produces the vapor. [\[1\]]() These substances can spread into the air and be inhaled by non-smokers, exposing them to potential health risks. [\[4\]]() ## Groups at Highest Risk Certain groups are more sensitive and susceptible to the effects of secondhand e-cigarette vapor: - **Children and Adolescents:** Nicotine can lead to addiction in these groups. [\[1\]]() - **Pregnant Women:** Nicotine poses a risk to pregnant women and their developing fetuses, as it can harm the brain and lungs during their development. [\[3\]]() ## Practical Tips to Limit Exposure To reduce the potential risks of secondhand e-cigarette vapor exposure, the following tips can be followed: - **Avoid using e-cigarettes indoors:** Prohibiting the use of e-cigarettes inside or near buildings, vehicles, and other enclosed spaces is the only way to eliminate secondhand e-cigarette vapor exposure and the potential health risks that may result from it. [\[4\]]() - **Vaping in outdoor areas:** If e-cigarettes must be used, it is best to do so outdoors away from other people. - **Awareness of risks:** Educating friends and family about the risks of secondhand vaping exposure can help protect everyone. For more information on the risks of e-cigarettes to youth in general, you can visit [E-cigarettes (Vaping) and Youth: Hidden Health Risks (Arabic)](). ## Uncertainty and the Need for More Studies Research indicates that e-cigarettes may emit harmful substances, meaning there may be health risks to the user and others through secondhand exposure. [\[4\]]() However, more research is needed to fully understand e-cigarette emissions and their impact on human health. [\[4\]]() Until more comprehensive information is available, it is advised to take precautions to avoid exposure to e-cigarette vapor, especially for the most vulnerable populations. ## Medical references - [E-cigarettes and E-hookahs]() - [E-Cigarettes]() - [E-Cigarettes and Pregnancy]() - [Secondhand Electronic-Cigarette Aerosol and Indoor Air Quality | US EPA]() General health education; not a substitute for individualized clinical assessment. Citation URL: https://clinicsjo.com/en/faq/does-e-cigarette-vapor-affect-others-secondhand-vaping#answer