Voedingsadvies El MondoResearch Question:
Eating soy products reduces the chance of getting breast cancer in women?
Study Design:
This overview article contained 14 case-control studies and cohort studies 7. The soy intake was obtained by the FAHIM (= a type of questionnaire). There was hardly any publication bias.
Results and conclusions:
The researchers found in a pooled analysis of 9 studies that eating soy products, the chance of getting breast cancer significantly with 25% reduced [RR = 0.75, 95% CI = 0.59-0.95]. Significant is, there is a link at a 95% reliability.
The researchers found in a pooled analysis of 9 studies that eating tofu the chance of getting breast cancer by 22% significantly reduced [RR = 0.78, 95% CI = 0.70-0.88]. Significant is, there is a link at a 95% reliability.
The researchers found in a pooled analysis of 6 studies that eating miso the chance of getting breast cancer by 12% non-significantly reduced [RR = 0.88, 95% CI = 0.78-1.00].
The researchers found that the intake of isoflavones in 7 studies (a beneficial component of soy) the chance of getting breast cancer significantly with 19% [95% = 0.67-0.99] reduced.
The researchers concluded that eating soy products (especially tofu and miso) the chance of getting breast cancer in women reduced.
Original title:
Soyfood Intake in the Prevention of Breast Cancer Risk in Women: A Meta-Analysis of Observational Epidemiological Studies by Qin LQ, Xu JY, [...], Wang PY.
Link:
https://www.jstage.jst.go.jp/article/jnsv/52/6/52_6_428/_article
Additional information about El Mondo:
Read more about isoflavones.