Tob Control 20:169-172 doi:10.1136/tc.2010.039776
  • Advocacy in action

Pig's blood in cigarette filters: how a single news release highlighted tobacco industry concealment of cigarette ingredients

  1. Simon Chapman
  1. School of Public Health, University of Sydney, Australia
  1. Correspondence to Professor Simon Chapman, School of Public Health, University of Sydney, Sydney, NSW 2006, Australia; simon.chapman{at}
  1. Contributors Both authors contributed to all aspects of the paper's production.

  • Accepted 1 November 2010
  • Published Online First 15 December 2010


The tobacco industry is not obligated to disclose ingredients and additives used in manufactured tobacco production. This paper describes global reaction to a press release highlighting evidence that porcine haemoglobin (“pig's blood”) was sometimes used in cigarette manufacturing while never being disclosed to smokers. The case study illustrates the power of press releases to ignite major interest in tobacco control issues.


  • Funding Cancer Institute NSW.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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