Letters Passive smoking

Secondhand smoke does cause respiratory disease

BMJ 2003; 327 doi: http://dx.doi.org/10.1136/bmj.327.7413.502-a (Published 28 August 2003) Cite this as: BMJ 2003;327:502
  1. A J Hedley, professor in community medicine,
  2. T H Lam, professor,
  3. S M McGhee, associate professor,
  4. G M Leung, assistant professor,
  5. M Pow, research assistant
  1. Department of Community Medicine, University of Hong Kong, Hong Kong Special Administrative Region, China [email protected]

    Editor–The report by Enstrom and Kabat confirms that exposure to secondhand smoke causes injury to the respiratory system with the finding of a combined increased mortality risk for men and women for chronic obstructive pulmonary disease (relative risk 1.65, 95% confidence interval 1.0 to 2.73).1 This is consistent with other investigations that show the sensitivity of the respiratory system to secondhand smoke at all ages and in different settings. In …

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