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Several studies have used standard cohort analyses to study precursors to breast cancer, e.g. use of hormonal contraceptives, [3] which is a covariate easily measured on all of the women in the cohort. However, note that in comparison to the cases, there are so many controls that each particular control contributes relatively little information ...
One of their recent publications was a 2019 meta-analysis of menopausal hormone therapy and breast cancer risk based on type and timing of therapy. [1] In 2012, the group concluded in a meta-analysis of 117 studies that the incidence of breast cancer was increased by each year younger at menarche and each year older at menopause. [4]
In 2009, a case-control study of 187 triple-negative breast cancer patients described a 2.5 increased risk for triple-negative breast cancer in women who used oral contraceptives (OCs) for more than one year, compared to women who used OCs for less than one year or never. [12]
The disparity is particularly stark for breast cancer, which kills Black women at a 40% higher rate than white women, ... The women must be cancer-free upon enrolling in the study, which will ...
The study increases the known number of cancers linked to contaminated drinking water at the base, according to Kenneth Cantor, a former National Cancer Institute epidemiologist who has read the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 29 January 2025. Cancer that originates in mammary glands Medical condition Breast cancer An illustration of breast cancer Specialty Surgical Oncology Symptoms A lump in a breast, a change in breast shape, dimpling of the skin, fluid from the nipple, a newly inverted nipple, a red scaly patch of skin on ...
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