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Wolfson Institute of Preventive Medicine - Barts and The London

E-cigarettes - potential toxins and nicotine delivery in users

Centre of Environmental and Preventive Medicine

Principal Investigator:  Peter Hajek,


This is another study funded by MHRA to evaluate levels of acrolein in users of e-cigarettes.

Electronic cigarette or "e-cigarette" (EC) may have a potential public health benefit as a safer alternative to smoking and possibly also as an aid in tobacco dependence treatment. However, there are concerns about its safety and whether it can deliver nicotine consistently and in doses conducive to such effects.

The MHRA has recently carried out a public consultation on the regulatory status of EC. Data are urgently needed to identify key aspects of these products in order to determine the most appropriate approach for the best public health outcome. 

This study concerns an assessment of potential exposure to a toxicant (acrolein) from EC, and an examination of nicotine delivery in humans, during a routine NHS stop smoking attempt.

Main Contact

Katie Myers