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WEDNESDAY, May 23, 2018 (HealthDay News) — Lung cancer incidence is higher among young women than young men, according to a study published in the May 24 issue of the New England Journal of Medicine<\/i>.<\/p>\n
Ahmedin Jemal, D.V.M., Ph.D., from the American Cancer Society in Atlanta, and colleagues examined the nationwide population-based incidence of lung cancer according to sex, race or ethnic group, age group, year of birth, and calendar period of diagnosis.<\/p>\n
The researchers observed a decrease in the age-specific incidence of lung cancer among both men and women aged 30 to 54 years across all races and ethnic groups over the past two decades; the declines among men were steeper. The female-to-male incidence rate ratios increased among non-Hispanic whites; in the age groups of 30 to 34, 35 to 39, 40 to 44, and 45 to 49 years, the ratios exceeded 1.0. There was an increase in the female-to-male incidence rate ratio among whites aged 40 to 44 years, from 0.88 in 1995 to 1999 to 1.17 in 2010 to 2014. Among non-Hispanic whites born since 1965, the crossover in sex-specific rates occurred; there also was a crossover in sex-specific incidence rates to a higher incidence for women among Hispanics. Among women born since 1965 the prevalence of cigarette smoking has approached that of men.<\/p>\n
“Future studies are needed to identify reasons for the higher incidence of lung cancer among young women,” the authors write.<\/p>\n
Several authors disclosed financial ties to the pharmaceutical industry.<\/p>\n
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