Association of daily diet and incidence of head and neck cancer: a prospective cohort study of UK biobank participants
Clinical Snapshot
PICO Framework
| P — Population | UK Biobank participants (n=480,577) aged 37-73 years at baseline (2006-2021) |
| I — Intervention | Various dietary exposures including dried fruit, milk, coffee, red meat, fish, grains, and salt consumption |
| C — Comparator | Different levels of dietary consumption (reference categories for each food group) |
| O — Outcomes | Incident head and neck cancer (HNC) and subtypes: laryngeal cancer, oral cancer, and oropharyngeal cancer |
Bottom Line
This large UK Biobank study (n=480,577) provides robust evidence linking specific dietary patterns to head and neck cancer risk over 12 years of follow-up. The findings suggest that daily milk consumption above 300mL and regular coffee intake may reduce HNC risk by 23-29%, while frequent red meat consumption and habitual salt addition increase risk by 20-21%. Dried fruit consumption showed modest protective effects. These associations varied by cancer subtype and demographic factors, with sex-specific effects noted for milk and fish consumption. While the large sample size and prospective design strengthen these findings, the results require external validation and careful consideration of the UK Biobank's volunteer bias. For Australian clinicians, these findings support existing dietary guidelines emphasising reduced processed meat and salt intake, while highlighting potential benefits of moderate dairy and coffee consumption in HNC prevention counselling.
Key Findings
P Value: Not reported in abstract
Effect Size: Protective: milk >299mL/day (HR=0.71), coffee (HR=0.77-0.84); Risk factors: red meat ≥4×/week (HR=1.20), salt addition (HR=1.21)
Primary Outcome: Incident head and neck cancer over 11.8 years follow-up
Nnt Or Sensitivity: Hazard ratios ranging from 0.71 (protective) to 1.45 (harmful) for various dietary factors
Confidence Interval: Not reported in abstract
Clinical Application
Highly feasible - involves common dietary modifications that patients can implement Relevant to Australian practice given similar dietary patterns and cancer epidemiology. Could inform RACGP lifestyle counselling guidelines and complement existing Cancer Council Australia dietary recommendations Middle-aged to older adults in developed countries with similar dietary patterns to UK population
Abstract
PURPOSE: The association between daily diet and head and neck cancer (HNC) remains unclear. Therefore, this study aimed to systematically investigate the relationship between different types of diet and incident HNC. METHODS: This cohort study analyzed UK Biobank (UKB) data (2006-2021, n = 480,577) using Cox proportional hazards models to evaluate the associations between daily diet and incident HNC and its subtypes: laryngeal cancer (LC), oral cancer (OC), and oropharyngeal cancer (OPC). Subgroup analyses were further performed for sex, age, body mass index (BMI), and smoking status. RESULTS: This large prospective study identified significant dietary associations with head and neck cancer (HNC) risk during 11.8 years of follow-up. Protective associations emerged for moderate dried fruit consumption (Hazard Ratio (HR) = 0.77-0.81), daily milk intake (> 299 mL/day, HR = 0.71), and regular coffee drinking (HR = 0.77-0.84). Conversely, elevated risks were observed with frequent red meat (≥ 4 times/week, HR = 1.20), non-oily fish (≥ twice/week, HR = 1.45), refined grains (≥ 3 bowls or slices/week, HR = 1.14), and habitual salt addition (HR = 1.21). Subtype-specific patterns include the protective effects of whole grains and vegetables against laryngeal cancer and reduced oral cancer risk with limited poultry consumption. Notable variations were observed in sex (sex-specific milk/oily fish effects), age (differential fruit/vitamin impacts), and BMI (heightened red meat risk in normal-weight individuals). CONCLUSION: Our findings demonstrated significant associations between dietary patterns and HNC risk, identifying both protective and risk-enhancing food components. These results highlight the potential of dietary interventions in HNC prevention, with varying effects across cancer subtypes and demographic groups.
References
- 1.Zhang, Z., Rao, Y., Wang, X., Qiu, K., Luo, Y., Cheng, D., Song, Y., Zhao, Y., & Ren, J. (2026). Association of daily diet and incidence of head and neck cancer: a prospective cohort study of UK biobank participants. European Journal of Nutrition. https://doi.org/10.1056/NEJM199404143301501
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