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the claim

First-degree relatives of men with prostate cancer have a two- to threefold increased risk for developing the disease.

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

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Is it true that First-degree relatives of men with prostate cancer have a two- to threefold increased risk for developing the disease?

Yes. First-degree relatives of men diagnosed with prostate cancer face a substantially elevated risk of developing the disease, commonly estimated at a two- to threefold increase.

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

The analysis

The retrieved papers consistently support the claim that first-degree relatives of men with prostate cancer have a significantly increased risk, often cited as a two- to threefold increase or higher depending on the number of affected family members.

Evidence for · 3
Germline Genetics of Prostate Cancer: Time to Incorporate Genetics into Early Detection Tools.
2019
Mutations in highly penetrant genes and hereditary risk factors can confer a 2- to 3-fold increased risk of developing prostate cancer.
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Fantus, R. & Helfand, B. (2019). Germline Genetics of Prostate Cancer: Time to Incorporate Genetics into Early Detection Tools.. doi.org. https://doi.org/10.1373/clinchem.2018.286658

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More for · 2
Familial Risks in 317 000 Patients With Prostate Cancer in Relation to Metastases and Survival-Guiding Diagnostics.
2026
Large population-based family studies in Sweden demonstrate familial relative risks and standardized incidence ratios starting around twofold or higher for individuals with affected first-degree relatives.
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K, H., F, Z., K, S., J, S., A, F., A, H., & O, H. (2026). Familial Risks in 317 000 Patients With Prostate Cancer in Relation to Metastases and Survival-Guiding Diagnostics.. doi.org. https://doi.org/10.1016/j.euros.2026.03.006

Three-generation familial risks in early-onset prostate cancer with maternal and paternal relatives.
2026
First-degree relatives such as fathers and brothers have documented familial relative risks and standardized incidence ratios indicating a significantly elevated risk for prostate cancer.
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K, H., F, Z., K, S., J, S., A, F., A, H., & O, H. (2026). Three-generation familial risks in early-onset prostate cancer with maternal and paternal relatives.. doi.org. https://doi.org/10.1111/bju.70465

What does the evidence say?

The retrieved papers consistently support the claim that first-degree relatives of men with prostate cancer have a significantly increased risk, often cited as a two- to threefold increase or higher depending on the number of affected family members.

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