A new study from Germany suggest that eCigarettes often thought to be a healthier alternative to tobacco ones may not be safe after all. Researchers at the Fraunhofer Institute for Wood Research WKI in Braunschweig conducted a study to find out whether e-cigarettes polluted the surrounding air. The results of the study pointed to discharged solid particles remaining in the surrounding air for a considerable time. Compared to conventional cigarettes which constantly emit smoke as the tobacco burns the electronic equivalent only releases volatile substances when it is turned on. But that is not the only difference between the two