Dietary Influences on Esophageal Cancer Risk
Summary
Various dietary patterns and nutrient intakes have been implicated as modifiable factors in the aetiology of oesophageal cancer. Two primary histological subtypes—oesophageal adenocarcinoma and squamous cell carcinoma—exhibit distinct epidemiological profiles and may respond differently to dietary exposures. Evidence suggests that diets rich in fruits, vegetables and dietary fibre confer a protective effect, possibly through antioxidant activity and modulation of inflammation. Conversely, high consumption of processed meats, saturated fats and excessive alcohol intake is associated with an elevated risk. Emerging research highlights the role of one-carbon metabolism-related B vitamins, glycaemic load and antioxidant micronutrients in DNA repair and cellular resilience. Geographic and histological differences further indicate that optimal dietary recommendations may vary between populations and cancer subtypes. Integrating findings from large-scale epidemiological studies and mechanistic investigations offers potential for global prevention strategies and tailored nutritional guidelines aimed at reducing the burden of oesophageal cancer.
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Dietary Influences on Esophageal Cancer Risk publication trend
The graph below shows the total number of articles in dietary influences on esophageal cancer risk across all publications each year (not limited to Nature Index journals).
Technical terms
Oesophageal adenocarcinoma: A subtype of oesophageal cancer arising from glandular cells, often linked to acid reflux and Barrett’s oesophagus.
Oesophageal squamous cell carcinoma: Cancer originating in the squamous lining of the oesophagus, commonly associated with tobacco, alcohol and dietary factors.
One-carbon metabolism: A network of biochemical pathways involving B vitamins that regulates DNA synthesis, repair and methylation.
Glycaemic load: A measure of the impact of dietary carbohydrate intake on postprandial blood glucose levels.
Antioxidants: Molecules such as vitamins C and E that neutralise reactive oxygen species and may protect against cellular damage.
Meta-analysis: A statistical technique combining results from multiple studies to derive comprehensive risk estimates.
References
- Intake of Dietary One-Carbon Metabolism-Related B Vitamins and the Risk of Esophageal Cancer: A Dose-Response Meta-Analysis. Nutrients (2018).
- Association between Dietary Vitamin E Intake and Esophageal Cancer Risk: An Updated Meta-Analysis. Nutrients (2018).
- Dietary antioxidant intake and the risk of developing Barrett’s oesophagus and oesophageal adenocarcinoma. British Journal of Cancer (2018).
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