The association between body mass index and the risk of different gastrointestinal cancers: A protocol for an overview of systematic reviews.

ABSTRACT:

Background

Changes in our lifestyle over the past few decades have led to a significant increase in the worldwide prevalence of both overweight (defined as a body mass index [BMI]≥25 kg/m) and obesity (BMI≥30 kg/m), thus leading to numerous harmful consequences for an individual's health. Several meta-analyses support the link between obesity and different gastrointestinal cancers, but substantial heterogeneity exists between studies. We will synthesize published systematic reviews to evaluate the association between body mass index (BMI) and the incidence and mortality of different gastrointestinal cancers.

Methods

PubMed, EMBASE, and the Cochrane Library will be systematically searched for systematic reviews, meta-analyses, and pooled analyses in July, 2018. Two review aut

SUBMITTER: Ma X 

PROVIDER: S-EPMC6250501 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature