Article Text

Download PDFPDF
Pig's blood in cigarette filters: how a single news release highlighted tobacco industry concealment of cigarette ingredients
  1. Ross MacKenzie,
  2. 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}


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.

  • Advocacy

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.


  • Funding Cancer Institute NSW.

  • Competing interests None declared.

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