Juul e cigarettes win FDA authorization, sources say Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice FDA reverses order taking Juul vaping products off the market in US, opens door to possible authorization ABC News Does vaping cause secondhand smoke? Doctors explain the side effects KXAN Austin Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes.