While vaping is not risk free, it is less harmful than tobacco Our World in Data While early research suggests it may not be as dangerous as secondhand smoking, it's still not harmless, experts say. https: www.wate.com news does vaping cause secondhand smoke doctors explain the side effects ?utm_medium=social&utm_source What You Need to Know About Second hand Vaping Pod Salt UK Secondhand vape plumes could form lung damaging radicals American Chemical Society