The new report from the German Institute for Risk Assessment: In e-cigarette liquids to be inhaled, synthetic refrigerants such as WS-23, WS-3 and WS-5 make the vapor more refreshing but could increase toxicity. And there is no certain data on the effects on the lungs. A new alarm bell comes from Germany on the front of electronic cigarettes. The BfR (Bundesinstitut für Risikobewertung), Germany's Federal Institute for Risk Assessment, today published a scientific opinion that accuses the synthetic refrigerants found in many e-cig liquids: WS-23, WS-3 and WS-5. These substances have no smell or taste, but they give a sensation of freshness similar to that of menthol, making the vapor more pl... [Read more]