Should I Be Concerned About Secondhand Vaping? New research: Second hand vaping is NOT harmless A recent study published on PubMed is raising serious concerns about the health effects of second hand exposure to e cigarettes. People exposed to second hand Will a vape detector go off if you hold the smoke in? Knowledge Kaiweili Digital Technology Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Will a vape detector go off if you hold the smoke in? Knowledge Kaiweili Digital Technology Secondhand vape exposure: Risks and side effects