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 East Coast Vape Canada's Online Vape Store Ejuice DIY Supplies What Happens if You Drop a Vape in Water? Artisan Vapor UK water vapor vape no nicotine Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times