Don't offer e cigarettes as an 'official' alternative to smoking, French doctors advised Juta MedicalBrief A long standing bias in tobacco harm reduction research called 'reverse spin bias' is very often used to guide health policies. It happens when researchers downplay or dismiss positive findings from their own E cigarettes increase harm to smokers, so should not be promoted as a harm reduction strategy (in 10 slides) now available in 10 other languages Stanton Glantz blog Vaping Under Fire! The NNAs Fight to Save Harm Reduction