Breast Cancer Risk
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Summary of Breast Cancer Risk
Scientific Information on Breast Cancer Risk
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Human Effect Matrix
The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect breast cancer risk.
| Grade | Level of Evidence [show legend] |
|---|---|
|
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 |
|---|---|---|---|---|
|
|
- | 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.
|
|
|
|
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.
|
|
|
|
Minor
|
Very High See 2 studies |
There is less risk of breast cancer associated with Vitamin D supplementation
|
|
|
|
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