Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Is Second hand Vape Smoke Harmful Is Secondhand Vape Smoke Bad for You? While vaping is not risk free, it is less harmful than tobacco Our World in Data Vaping: not a safe alternative to smoking, new study suggests, and it may be more harmful to health than tobacco in normal cigarettes South China Morning Post Is vaping worse than smoking? US woman saved after 2 litres of black taxic fluid remvoed from lungs The Economic Times Second Hand Vaping: A Problem or Not? My Vapery UK