Federal Investigators Think Black Market Vaping Products, Not Legal E Cigarettes, Are to Blame for Respiratory Illnesses First of its kind study on impact of vaping on respiratory health UKRI Modeled Respiratory Tract Deposition of Smoke Aerosol from Conventional Cigarettes, Electronic Cigarettes and Heat not burn Products Aerosol and Air Quality Research Secondhand exposure to vaping can cause serious respiratory issues study The Jerusalem Post Chemical flavorings found in e cigarettes linked to lung disease Harvard Gazette E Cigarettes with Fruit flavor Increase Risk of Nocturnal Dry Cough: Study