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Investigating cancer risks related to asbestos and other occupational carcinogens

Correspondence to:
Correspondence to:
Dr J Siemiatycki
Research Center of CHUM, 3875 rue Saint-Urbain, 3rd floor, Montreal (Qc) H2W 1V1, Canada; j.siemiatycki@umontreal.ca

The first 150 words of the full text of this article appear below.

It has been half a century since asbestos was recognised as a lung carcinogen.¹ Asbestos may well be the most studied occupational carcinogen and it is indeed virtually an icon for industrial carcinogenesis. National bodies have taken action to restrict or ban asbestos use and analogous international initiatives have been undertaken as well.² Asbestos use has been sharply curtailed in developed countries, though the same is not true in developing countries.^3,4 Even if it were eliminated in all new uses, asbestos would still remain in the occupational environment, especially in construction trades,^5,6 and it would remain in the general environment, both from past industrial/consumer products and from erosion of natural outcroppings of asbestos-containing rock.⁷ Despite the large number of studies that have examined asbestos, there are important questions which are still controversial, such as differences in risk by fibre type, by industry and by level of exposure.^8,9

Whereas most . . . [Full text of this article]