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Breast Cancer Risk

Research analysis led by and reviewed by the Examine team.
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Summary of Breast Cancer Risk

Scientific Information on Breast Cancer Risk

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Human Effect Matrix

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The Human Effect Matrix looks at human studies to tell you what supplements affect Breast Cancer Risk.

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Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Supplement Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-b - Very High See all 3 studies
No significant protective effect of 600 IU vitamin E every other day in otherwise healthy women for preventing the development of breast cancer.
grade-c Minor - See study
An increase in breast cancer risk has been noted to barely pass statistical significance in an analysis of cancer development in elderly persons (75 years or older) given EGb-761 daily for a median 6.1 years.
grade-d Minor Very High See 2 studies
There is less risk of breast cancer associated with Vitamin D supplementation

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grade-d  

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