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Canada is proposing a ban on asbestos, and the US Environmental Protection Agency has listed it among the first 10 materials it is investigating under the new Toxic Substances Control Act revisions. However, this effort is currently running up against enormous industry and political opposition. Here, we detail the activities in the early 1970s of the Friction Materials Standards Institute, an industry trade association, to stifle earlier attempts to regulate asbestos use in brake linings, one of the oldest and most obvious sources of asbestos exposure to mechanics, among others. [ABSTRACT FROM AUTHOR]

Objectives. This study estimated morbidity and mortality attributable to substance abuse in Canada. Methods. Pooled estimates of relative risk were used to calculate etiologic fractions by age, gender, and province for 91 causes of disease or death attributable to alcohol, tobacco, or illicit drugs. Results. There were 33498 deaths and 208 095 hospitalizations attributed to tobacco, 6701 deaths and 86076 hospitalizations due to alcohol, and 732 deaths and 7095 hospitalizations due to illicit drugs in 1992. Conclusions. Substance abuse exacts a considerable toll on Canadian society in terms of morbidity and mortality, accounting for 21% of deaths) 23% of years of potential life lost, and 8% of hospitalizations. [ABSTRACT FROM AUTHOR]