Cancer of the Breast at Menopausal Ages - (1967)

Authors: "L. Chiazze, JR",J.W. Lloyd
Published In: Cancer

Understanding the Legal Implications of Asbestos Exposure: Insights from the Study "Cancer of the Breast at Menopausal Ages"

Abstract
The study "Cancer of the Breast at Menopausal Ages" by Wagoner, Chiazze, and Lloyd (1967) explores the incidence and mortality of breast cancer among women, with a focus on menopausal ages. The research identifies a plateau in breast cancer incidence among women aged 50-59 and suggests distinct etiologies for premenopausal and postmenopausal breast cancer, linked to ovarian and adrenocortical estrogen disturbances, respectively. The study also examines specific population groups, such as Roman Catholic Sisterhoods, revealing unique risk patterns. While the study primarily addresses breast cancer, its methodology and findings provide valuable insights into the role of environmental and occupational exposures in disease development.

Legal Relevance
This study, while not directly addressing asbestos-related diseases, offers a framework for understanding how specific exposures influence disease risk. In asbestos litigation, the study’s emphasis on cohort analysis and risk stratification can be used to support arguments about the causal relationship between asbestos exposure and diseases like mesothelioma or lung cancer. The research highlights the importance of robust epidemiological data in establishing causation, a critical element in asbestos-related legal claims. Legal teams can draw parallels between the study’s methodology and the need to analyze occupational histories and exposure patterns in asbestos cases. Additionally, the study’s focus on population-specific vulnerabilities underscores the necessity of identifying at-risk groups, such as workers in high-exposure occupations.

Occupation Groups at Risk
While the study does not directly address asbestos, its findings can be extrapolated to emphasize the importance of identifying high-risk groups in asbestos litigation. Occupations most affected by asbestos exposure include:

  • Construction Workers: Frequent exposure to asbestos-containing materials like insulation and cement.
  • Shipyard Workers: High exposure due to asbestos use in shipbuilding.
  • Industrial Workers: Regular contact with asbestos in manufacturing and machinery.
  • Firefighters: Exposure to asbestos during building fires and demolitions.
  • Automotive Workers: Handling asbestos-containing brake pads and clutches.

These groups face heightened risks due to prolonged and intense exposure, often without adequate protective measures.

Current Medical Understanding
The study aligns with current knowledge about the role of environmental and occupational factors in disease development. Modern research has expanded on the interplay of genetic, environmental, and lifestyle factors in cancer risk. Similarly, asbestos-related diseases are now understood to result from cumulative exposure, with latency periods often spanning decades. The study’s focus on hormonal changes and risk stratification complements the broader understanding of how specific exposures contribute to disease.

Citation
Wagoner JK, Chiazze L Jr, Lloyd JW. Cancer of the breast at menopausal ages. Cancer. 1967 Mar;20(3):354-62. doi: 10.1002/1097-0142(1967)20:3<354::aid-cncr2820200303>3.0.co;2-c. PMID: 6021495.

National Library of Medicine Link
For further details, visit the National Library of Medicine: https://pubmed.ncbi.nlm.nih.gov/6021495/

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