Epidemiological Analysis of Dietary Risk Factors in Lymphoid Malignancies
Summary
Lymphoid malignancies, encompassing non-Hodgkin and Hodgkin subtypes, present a complex spectrum of neoplasms arising from B- or T-cell lineages. Epidemiological investigations have increasingly focused on diet as a modifiable risk factor, examining patterns of consumption—such as red and processed meat, dairy products, oily fish, fruits and vegetables—and their associations with lymphoma incidence and survival. Case-control and cohort designs commonly employ food frequency questionnaires to reconstruct pre-diagnosis habits, while dose-response meta-analyses aggregate quantitative risk estimates across studies. Findings to date suggest that certain dietary components may promote lymphomagenesis via inflammatory pathways, oxidative stress and exposure to environmental contaminants in animal products. Conversely, plant-based foods and adherence to anti-inflammatory dietary patterns often correlate with reduced risk. Methodological challenges remain, including measurement error, confounding by lifestyle factors and heterogeneity across histological subtypes. Greater standardisation of exposure assessment and application of advanced statistical models are needed to clarify causal relationships and inform dietary guidelines for lymphoma prevention and survivorship support.
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Epidemiological Analysis of Dietary Risk Factors in Lymphoid Malignancies publication trend
The graph below shows the total number of articles in epidemiological analysis of dietary risk factors in lymphoid malignancies across all publications each year (not limited to Nature Index journals).
Technical terms
Lymphoid malignancies: Cancers originating from lymphocytes, including various subtypes of non-Hodgkin and Hodgkin lymphomas.
Follicular lymphoma: A common indolent B-cell non-Hodgkin lymphoma marked by malignant transformation in lymph node follicles.
Diffuse large B-cell lymphoma (DLBCL): An aggressive non-Hodgkin lymphoma subtype characterised by rapid proliferation of large B lymphocytes.
Food frequency questionnaire (FFQ): A dietary assessment tool that records habitual intake of foods and beverages over a specified period.
Dose-response meta-analysis: Statistical synthesis examining how variation in exposure level relates quantitatively to disease risk across studies.
Odds ratio (OR) and hazard ratio (HR): Measures of association quantifying the odds of disease in exposed versus unexposed groups (OR) and the rate of occurrence over time (HR).
Confounding: Distortion of an exposure–outcome relationship by a third variable associated with both, requiring statistical control.
References
- Dietary intake of animal-based products and likelihood of follicular lymphoma and survival: A population-based family case-control study. Frontiers in Nutrition (2023).
- Dairy Product Consumption and Risk of Non-Hodgkin Lymphoma: A Meta-Analysis. Nutrients (2016).
- Association between anthropometry and lifestyle factors and risk of B‐cell lymphoma: An exposome‐wide analysis. International Journal of Cancer (2020).
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