Dangers Of Second Hand Vapes Can Disposable Vapes Cause Secondhand Vapor Second Hand Vape Smoke Dangers Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy How Long Does Second Hand Vape Stay In The Air Quality How Long Does Second Hand Smoke Stay In Your System? Effects, Duration Is Second Hand Vape A Thing Many people assume vaping is harmless to bystanders, but secondhand aerosol can contain ultrafine particles and chemical residues. Researchers are examining how exposure may affect airways and overall health, especially for children