E-cigarettes come in many different guises, yet they all have one thing in common: they only emit vapor when switched on. Credit: Fraunhofer WKI
Electronic cigarettes are experiencing somewhat of a boom at the moment. An estimated two million people in Germany have already turned to the vapor cigarette, which many view as a healthy alternative to conventional smoking. However, a number of voices, primarily from the political sphere, are warning of possible health risks, claiming that the
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