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Lifestyle, WCRF/AICR Recommendations, and Esophageal Adenocarcinoma Risk: A Systematic Review of the Literature

Journal

NUTRIENTS
Volume 13, Issue 10, Pages -

Publisher

MDPI
DOI: 10.3390/nu13103525

Keywords

lifestyle; esophageal cancer; cancer prevention; esophageal adenocarcinoma

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The systematic review focused on the rising incidence of esophageal adenocarcinoma (EAC) in developed countries and its associated risk factors, finding that body mass index and waist circumference were linked to increased EAC risk, while physical activity did not have a significant direct role in EAC risk. A diet rich in fruit, vegetables, and whole grains appeared to be more protective, while alcohol did not seem to be related to EAC, and smokers, especially heavy smokers, had an increased risk. Providing clear recommendations may help in preventing EAC.
One of the most notable changes in the epidemiology of esophageal cancer (EC) is the rising incidence and prevalence of esophageal adenocarcinoma (EAC) in developed countries. The aim of this systematic review was to collect and summarize all the available evidence regarding lifestyle, diet, and EAC risk. We searched the PubMed and Scopus databases in January 2021 for studies providing information about lifestyle, diet, WCRF/AICR recommendations, and EAC risk; published in English; without a time filter. The Newcastle-Ottawa Scale was used to assess risk of bias. The results are stratified by risk factor. A total of 106 publications were included. Half of the case-control studies were judged as high quality, whilst practically all cohort studies were judged as high quality. Body mass index and waist circumference were associated with increased EAC risk. Physical activity did not appear to have a significant direct role in EAC risk. A diet rich in fruit, vegetables, and whole grains appeared to be more protective than a Western diet. Alcohol does not seem to be related to EAC, whereas smokers, particularly heavy smokers, have an increased risk of EAC. Prevention remains the best option to avert EAC. Comprehensible and easy to follow recommendations should be provided to all subjects. Protocol ID number: CRD-42021228762, no funds received.

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