Association of lifestyle factors with breast cancer incidence: An overview of systematic reviews.

ABSTRACT:

Objective

Heterogeneity in the evidence of association between lifestyle factors and breast cancer (BC) incidence hampers initiatives to modify BC risk. This overview aims to synthesise evidence from systematic reviews (SRs) to inform lifestyle-related modifications for BC prevention.

Methods

We systematically searched (MEDLINE, EMBASE, and CINAHL) from January 2013 to August 2023 for SRs of the association between lifestyle factors [alcohol consumption, physical activity (PA), body mass index (BMI), smoking, breastfeeding, oral contraception (OC), hormone replacement therapy (HRT), and sedentary behavior (SB)] and BC incidence. A narrative data synthesis was performed.

Results

Sixty-six SRs met the eligibility criteria. Evidence from 40 SRs indicated consistent assoc

SUBMITTER: Rana MS 

PROVIDER: S-EPMC12444357 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature