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 What harm does second hand fumes from vaping cause to young lungs? Medical experts want to know ABC7 San Francisco Vaping Indoors and How it Contributes to Sick Home Syndrome Bactronix Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice 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.