If you consider e-cigs a harm reduction device, the carcinogenic potential of standalone nicotine dwarves that of traditional cigarettes.
More research is needed but all the evidence so far points to e-cigs being safer than cigarettes for those who can not kick the habit. But the passive smoking impact is a very valid point and needs to be studied.
More research is needed but all the evidence so far points to e-cigs being safer than cigarettes for those who can not kick the habit. But the passive smoking impact is a very valid point and needs to be studied.