Secondhand Smoke Second hand E cigarette Vapour Increases Risk Of Poor Respiratory Health Study Finds Cigarette Smoke Detector Secondhand Vape Exposure: Effects, Who's at Risk, and More While vaping is not risk free, it is less harmful than tobacco Our World in Data Asthma and Allergy Foundation Tobacco can be bad for your health even if you are not the one smoking. Breathing in the smoke can lead to many health problems. Vaping is Secondhand vape exposure: Risks and side effects