Health experts say not to 'vape' around children, because the secondhand aerosol (it isn't vapor) from e cigs isn't safe for them Kentucky Health News Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Is Second Hand Vape Smoke Dangerous? RxLeaf Can you get second hand smoke from a vape Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign.