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  • Title: On the role of aging in cancer incidence: cohort analyses of the lung cancer data.
    Author: Volpe EW, Dix D.
    Journal: Anticancer Res; 1986; 6(6):1417-20. PubMed ID: 3813495.
    Abstract:
    Lung cancer age-specific mortality rates for male and female cohorts born in the United States between 1903 and 1928 increase from age 32 to 52 according to an equation of the form log (mortality rate) = m(age) + b, where m and b are constants. Variation exists among the cohorts in the magnitudes of m and b, but correlation coefficients between age-mortality patterns among all cohorts are highly positive (r greater than 0.98, p less than 0.01), indicating that the form of the equation is similarly appropriate for each cohort. Because cigarette smoking behavior has varied among cohorts and between sexes, we conclude that the form of the equation, i.e., the exponential nature of the lung cancer age-mortality pattern, is independent of environmental carcinogenicity and is best attributed to some aspect of the intrinsic aging process.
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