No. The smoke from the conventional cigarette contains more than 4000 carcinogenic substances that accumulate in the air. Other people could absorb them. An individual exposed on a frequent basis may develop the same symptoms as a smoker. Passive smoking causes nearly 5000 deaths in France each year. The steam delivered by the e-cigarette does not contain any toxic element. It distills rather an exquisite aroma. Very light, it evaporates fairly quickly. However, the vapor must move away from non-smoking to avoid inconvenience.