Thirdhand Smoke Resource Center Protecting Californians Ever puffed a vape around others thinking it's harmless? Think again. Inhaling vapor from e cigarettes exposes you to harmful chemicals, such as formaldehyde. These toxic substances can be passed on to 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 How Second hand Smoking Affects Pets Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN