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Is Anorexia Nervosa Genetic?
- Heritability
- ~50%
- Inheritance
- multifactorial
- Key genes
- EPHN4,BDNF,ESRRG
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Anorexia nervosa has a significant heritable component estimated at 50–80%. Genome-wide association studies have identified several risk loci.
How Genetic Is Anorexia Nervosa?
Genetics plays a meaningful role in Anorexia Nervosa, with heritability estimated at around 50%. However, environmental factors — including diet, lifestyle, and exposure — also significantly influence risk.
Key genes associated with Anorexia Nervosa: EPHN4,BDNF,ESRRG. 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 Anorexia Nervosa?
Family history does matter. Having close relatives with Anorexia Nervosa 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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