Evidence for harm reduction in COPD smokers who switch to electronic cigarettes

  title={Evidence for harm reduction in COPD smokers who switch to electronic cigarettes},
  author={Riccardo Polosa and Jaymin B. Morjaria and Pasquale Caponnetto and Umberto Prosperini and Cristina Russo and Alfio Pennisi and Cosimo Marcello Bruno},
  journal={Respiratory Research},
BackgroundElectronic cigarettes (ECs) are battery-operated devices designed to vaporise nicotine, which may help smokers quitting or reducing their tobacco consumption. There is a lack of data on the health effects of EC use among smokers with COPD and whether regular use results in improvement in subjective and objective COPD outcomes.We investigated long-term changes in objective and subjective respiratory outcomes in smokers with a diagnosis of COPD who quit or reduced substantially their… 

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