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the claim

Gambling addiction is hereditary

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that gambling addiction is hereditary?

Yes. Multiple genetic and twin studies establish that gambling disorder has a significant hereditary component, sharing common genetic risks with other behavioral and substance use traits.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The analysis

The retrieved papers include direct genetic and twin studies showing that gambling disorder has a strong hereditary component, with identified gene variants and polygenic risk scores linked to the condition. There is no contrary evidence in the provided literature.

Evidence for · 3
The role of neurotrophin genes involved in the vulnerability to gambling disorder
2022
Identifies specific single-nucleotide polymorphisms in neurotrophin genes associated with gambling disorder, establishing a biological vulnerability.
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Solé-Morata, N., Baenas, I., Etxandi, M., Granero, R., Forcales, S., Gené, M., Barrot, C., Gómez-Peña, M., Menchón, J., Ramoz, N., Gorwood, P., Fernández-Aranda, F., & Jiménez-Murcia, S. (2022). The role of neurotrophin genes involved in the vulnerability to gambling disorder. doi.org. https://doi.org/10.1038/s41598-022-10391-w

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More for · 2
Genetics of gambling disorder and related phenotypes: The potential uses of polygenic and multifactorial risk models to enable early detection and improve clinical outcomes
2024
Reviews twin studies and polygenic risk models demonstrating significant heritability and intergenerational transmission for gambling disorder.
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Warrier, V., Chamberlain, S. R., Thomas, S., & Bowden-Jones, H. (2024). Genetics of gambling disorder and related phenotypes: The potential uses of polygenic and multifactorial risk models to enable early detection and improve clinical outcomes. doi.org. https://doi.org/10.1556/2006.2023.00075

Externalizing as a common genetic influence for a broad spectrum of substance use and behavioral conditions: A developmental perspective from the Avon Longitudinal Study of Parents and Children.
2025
Demonstrates that polygenic risk scores for externalizing traits are significantly associated with problematic gambling behavior.
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WQ, D., K, B., A, D., M, P., G, P., MR, M., & J, M. (2025). Externalizing as a common genetic influence for a broad spectrum of substance use and behavioral conditions: A developmental perspective from the Avon Longitudinal Study of Parents and Children.. doi.org. https://doi.org/10.1111/add.70163

What does the evidence say?

The retrieved papers include direct genetic and twin studies showing that gambling disorder has a strong hereditary component, with identified gene variants and polygenic risk scores linked to the condition. There is no contrary evidence in the provided literature.

Receipt History
first checked05 Aug 2026
judged → SUPPORTED · 8205 Aug 2026
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