Breast cancer causes
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Drug Side Effect
Medroxyprogesterone, Norgestimate and Ethinyl estradiol, Progesterone
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Overview
Epidemiological risk factors for a disease can provide important clues as to the etiology of a disease. The first work on breast cancer epidemiology was done by Janet Lane-Claypon, who published a comparative study in 1926 of 500 breast cancer cases and 500 control patients of the same background and lifestyle for the British Ministry of Health.[citation needed] Although many epidemiological risk factors have been identified, the cause of any individual breast cancer is often unknowable. In other words, epidemiological research informs the patterns of breast cancer incidence across certain populations, but not in a given individual. Approximately 5% of new breast cancers are attributable to hereditary syndromes, while no etiology is known for the other 95% of cases.[1]
References
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- Disease
- Types of cancer
- Breast
- Hereditary cancers
- Oncology
- Mature chapter