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Is Hereditary Hearing Loss Genetic?
- Heritability
- ~50%
- Inheritance
- multifactorial
- Key genes
- GJB2,GJB6,SLC26A4,MYO7A
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Hereditary hearing loss is one of the most common birth defects. Mutations in GJB2 (connexin 26) account for up to 50% of hereditary non-syndromic hearing loss.
How Genetic Is Hereditary Hearing Loss?
Genetics plays a meaningful role in Hereditary Hearing Loss, with heritability estimated at around 50%. However, environmental factors — including diet, lifestyle, and exposure — also significantly influence risk.
Key genes associated with Hereditary Hearing Loss: GJB2,GJB6,SLC26A4,MYO7A. 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 Hereditary Hearing Loss?
Family history does matter. Having close relatives with Hereditary Hearing Loss 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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