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Potential Associations Between Vitamin Intake and Leukemia: A Cross-Sectional Study
Rui Qin1, Jinping Xiang1, Luping Zou1
1Department of Hematology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei, P. R. China.
Nutrition and Cancer
|July 25, 2024
Summary
Higher intake of vitamins C and E was associated with a lower risk of leukemia in US adults. This inverse relationship was more pronounced in older adults and those with obesity. Further research is needed to confirm these findings.
Area of Science:
- Nutrition Science
- Oncology
- Epidemiology
Background:
- Leukemia is a significant public health concern.
- Dietary factors, including vitamin intake, are being investigated for their role in cancer prevention.
- Understanding the relationship between specific vitamins and leukemia risk is crucial for public health recommendations.
Purpose of the Study:
- To investigate the association between the intake of vitamins A, C, D, and E and the prevalence of leukemia in a national sample of US adults.
- To identify potential protective effects of specific vitamins against leukemia.
- To explore demographic and health-related factors that may modify these associations.
Main Methods:
- Cross-sectional study design.
- Inclusion of 5520 adult participants from a national sample in the United States.
- Analysis of self-reported vitamin intake (vitamins A, C, D, E) and leukemia status.
- Statistical analysis using odds ratios (OR) and 95% confidence intervals (CI) to assess associations, with stratification by age and body mass index (BMI).
Main Results:
- Negative associations were observed between vitamin C and E intake and leukemia.
- Higher tertiles of vitamin C intake showed statistically significant inverse associations with leukemia (e.g., OR for third tertile = 0.82, p < 0.01).
- Higher tertiles of vitamin E intake also showed statistically significant inverse associations with leukemia (e.g., OR for third tertile = 0.86, p < 0.01).
- No statistically significant associations were found between vitamin A or D intake and leukemia.
- The inverse relationship between vitamins C and E and leukemia was more pronounced in individuals aged 60 years and older and those with a BMI greater than 30 kg/m².
Conclusions:
- Findings suggest that higher intake of vitamin C and vitamin E may be associated with a decreased prevalence of leukemia.
- The observed inverse relationship is potentially stronger in older adults and individuals with obesity.
- Further large-scale prospective cohort studies are warranted to validate these findings and elucidate the underlying mechanisms.
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