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Is Restless Legs Syndrome Genetic?

Complex
Heritability
~60%
Inheritance
polygenic
Key genes
BTBD9 MEIS1 MAP2K5

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An urge to move the legs especially at rest. Heritability ~60%; family history significantly increases risk.

How Genetic Is Restless Legs Syndrome?

Restless Legs Syndrome involves complex interactions between multiple genes and environmental factors. Heritability estimates range up to 60%, though no single gene determines outcome on its own.

Key genes associated with Restless Legs Syndrome: BTBD9 MEIS1 MAP2K5. 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 Restless Legs Syndrome?

Family history can be informative for Restless Legs Syndrome, but its predictive power is limited because many genes — each with small effects — combine with environmental influences. A family history of the condition may prompt earlier or more frequent screening.

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Related Genetic Conditions

Sources