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Passive smoking exposure is associated with an increased risk of COPD
Statistics from Altmetric.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 …