Mr vape guru : r CrappyDesign In secondhand vape, scientists smell risk American Heart Association Shisha.com Mr Smoke Most people think vaping is safer. But safer doesn't mean safe. We already see: toxic chemicals lung damage early disease signals And that's before long term data even arrives. Comment The risks of vape pens' secondhand aerosols Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA