Epidemiol Health.  2014;36:e2014020. 10.4178/epih/e2014020.

Two hypotheses of dense breasts and viral infection for explaining incidence of breast cancer by age group in Korean women

Affiliations
  • 1Department of Preventive Medicine, Jeju National University School of Medicine, Jeju, Korea. jmbae@jejunu.ac.kr

Abstract

Breast cancer, the second leading type of cancer in Korean women, has shown increasing incidence over the past 10 years. However, the curves of incidence by age group cast doubt on the birth cohort effect hypothesis. To explain the curves, here I suggest two alternative hypotheses of breast density and viral infection based on pre-existing evidences. Evaluating these hypotheses would require important clues to find unknown risk factors of breast cancer and to plan more effective strategies for breast cancer control in Korean women.

Keyword

Breast neoplasm; Risk factors; Cancer screening; Mammography; Papillomaviridae

MeSH Terms

Breast Neoplasms*
Breast*
Cohort Effect
Early Detection of Cancer
Female
Humans
Incidence*
Mammography
Papillomaviridae
Parturition
Risk Factors
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