Passive smoking exposure is associated with an increased risk of COPD
- A Nataraja, SpR Respiratory Medicine, Northampton General Hospital, Northampton, UK; anjalinataraja{at}hotmail.com
More than 15% of patients with chronic obstructive pulmonary disease (COPD) are never smokers. This study attempted to correlate passive smoking exposure with the risk of developing COPD in a South Chinese population.
Participants were drawn from the Biobank cohort of over 100 000 Guangzhou residents. The study group comprised 6497 never smokers aged …









