Intended for healthcare professionals

Letters Passive smoking

Secondhand smoke does cause respiratory disease

BMJ 2003; 327 doi: (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

    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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