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Sister two breast cancer study

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A very large research study done in Sweden found that the sisters of women diagnosed with breast cancer have a higher than average risk of breast cancer. This increased breast cancer risk lasts a . Sep 07,  · The NIEHS Sister Study is prospectively examining environmental and familial risk factors for breast cancer and other diseases in a cohort of 50, sisters of women who have had breast cancer. Such sisters have about twice the risk of developing breast cancer as other women. The Sister Study: Genetic and Environmental Risk Factors for Breast Cancer The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.

Sister two breast cancer study
Sister two breast cancer study

Each year, the participants were asked to update the researchers of sister two breast cancer study change in address, phone number or health status. They were asked to complete a questionnaire or telephone interview every other year. If participants were diagnosed with breast cancer, another type of cancer or a disease, such as heart disease, permission was requested to contact their health care provider for more information. Additional biological samples were requested if a participant was diagnosed with breast cancer. Granting permission was voluntary. Co-investigator was Clarice Weinberg, PhD.
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