Data alone cannot tell us what to do. Interpreting the emerging evidence on e-cigarettes relies on values and priorities: harm reduction or precaution, immediate peril or potential risks. While there can be no question that the public health community must look for emerging scientific data regarding risks and benefits, we must acknowledge the values that animate the controversy.
There's no telling how many adolescents lit up for the first time in the two years since the FDA first considered these changes, or how many of those got hooked on this deadly addiction. Still, it's comforting to know that we're headed in the right direction now and that we already know where more gains can be made.