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Is Colorectal Cancer Genetic?
- Heritability
- ~35%
- Inheritance
- multifactorial
- Key genes
- APC,MLH1,MSH2,MUTYH
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Colorectal cancer develops in the colon or rectum. Hereditary forms include familial adenomatous polyposis (FAP) and Lynch syndrome.
How Genetic Is Colorectal Cancer?
Genetics plays a meaningful role in Colorectal Cancer, with heritability estimated at around 35%. However, environmental factors — including diet, lifestyle, and exposure — also significantly influence risk.
Key genes associated with Colorectal Cancer: APC,MLH1,MSH2,MUTYH. Variants in these genes have been identified through genome-wide association studies (GWAS) and clinical research as influencing susceptibility or severity.
Source: MedlinePlus Genetics
Does Family History Matter for Colorectal Cancer?
Family history does matter. Having close relatives with Colorectal Cancer can increase your personal risk, though it is not deterministic. Maintaining a healthy lifestyle and regular screening remain important regardless of family background.
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