Personalized briefing
Discovery of the day · Public Health
Mechanisms underlying the effect of adiposity on risk of post-menopausal oestrogen receptor-positive breast cancer: an interventional mediation analysis
Dear jacqueline dunbar-jacob, this is your personalized scientific intelligence briefing — curated for your work in Public Health.
Key finding
Medicine · Public Health · Chronic Disease Prevention
Discovery of the day
Using interventional mediation analysis on 1,260 post-menopausal women, researchers identified that inflammation and sex-steroid hormones—but not insulin—are the biological pathways through which obesity increases the risk of ER-positive breast cancer. The total effect of obesity corresponded to 16.1 additional cases per 1,000 women, with indirect effects via inflammation and sex-steroid hormones contributing 16.4 and 13.0 excess cases per 1,000, respectively, while the direct effect not mediated by these pathways was −5.3 per 1,000. These findings pinpoint specific, targetable mechanisms that could inform obesity-related cancer prevention strategies—a critical consideration for your work in chronic disease prevention and health behavior modification.
Novelty
92%
Rigor
88%
Significance
95%
Validity
90%
Clarity
94%
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