New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking Do E Cigarettes Contain Formaldehyde? VapeMountain.com WHAT'S REALLY INSIDE YOUR VAPE? You wouldn't drink paint thinner or eat car battery fluid, right? But you might be inhaling their ingredients every time you vape! E cigarettes contain toxic chemicals La cigarette lectronique rduit drastiquement l'exposition aux toxiques du tabac Observatoire de la prvention de l'Institut de Cardiologie de Montral