Food Groups and Colorectal Cancer Risk
Author Information
Author(s): Levi F, Pasche C, La Vecchia C, Lucchini F, Franceschi S
Primary Institution: Registre Vaudois des Tumeurs, Institut universitaire de médecine sociale et préventive
Hypothesis
A diet rich in refined grains and red meat increases the risk of colorectal cancer.
Conclusion
The study found that a diet high in refined grains and red meat is associated with an increased risk of colorectal cancer, while whole grains, fruits, and vegetables may offer protective effects.
Supporting Evidence
- Refined grain intake was associated with an increased risk of colorectal cancer (OR = 1.32).
- Red meat consumption was linked to a higher risk of colorectal cancer (OR = 1.54).
- Whole grain intake showed a protective effect against colorectal cancer (OR = 0.85).
- Consumption of raw and cooked vegetables was associated with reduced cancer risk (OR = 0.85 and OR = 0.69, respectively).
- Citrus and other fruits were found to be protective (OR = 0.86 and OR = 0.85, respectively).
- Coffee consumption was associated with a lower risk of colorectal cancer (OR = 0.73).
- Garlic intake showed a significant protective effect (OR = 0.32 for the highest tertile of intake).
Takeaway
Eating a lot of white bread and red meat can make you more likely to get colon cancer, but eating whole grains, fruits, and vegetables can help keep you safe.
Methodology
The study was a case-control design involving 223 patients with colorectal cancer and 491 controls, analyzing dietary intake and cancer risk.
Potential Biases
Potential biases may arise from the selection of controls and reliance on self-reported dietary intake.
Limitations
The study is limited to a specific population in Switzerland and may not be generalizable to other regions.
Participant Demographics
223 colorectal cancer patients (142 men, 81 women) and 491 controls (211 men, 280 women), median ages 63 and 58 respectively.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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