Symptoms Of Second Hand Vape Smoke Secondhand smoke is harmful to those around you, putting them Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. Solving secondhand "vape smoke" at workand at home Secondhand vape exposure: Risks and side effects The health risks of secondhand smoke are widely understood. But what about secondhand vaping?