Does Vaping Produce Smoke or Vapor? Ecigator Stark Vapor 120mL Duke Menthol Smoke Smart #1 Vape Shop #1 Vape Store E liquid Smoke Smart Vapor Supplies & More Close up Person Exhaling Vapor While Holding Stock Footage Video (100% Royalty free) 3683166733 Shutterstock The dangers of electronic cigarettes Article The United States Army 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