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The answer is in the smoke, not the substance being smoked

I dont know how many people weve helped stop smoking

Dr Nina Thomas, a lung specialist at the uni who led the research, said: "Smokers of unfiltered cigarettes are 40 per cent more likely to develop lung cancer, almost twice as likely to die from it, 30 per cent more likely to die of any cause and more heavily nicotine dependent when compared with filtered cigarette smokers

Wang X, Winter D, Ashrafi G, Schlehe J, Wong YL, Selkoe D et al

However, another aspect of smoking that is equally alarming but less often talked about is its potential to harm kidney function