This page contains affiliate links. We may earn a commission if you purchase through them, at no extra cost to you.

Is Schizophrenia Genetic?

Partially
Heritability
~80%
Inheritance
multifactorial
Key genes
DISC1,NRG1,COMT,DTNBP1

CircleDNA's Premium Test includes personalised reports on Schizophrenia risk. See your genetic risk →

Schizophrenia has a strong genetic basis with heritability around 80%. The risk for children of two affected parents is approximately 40%.

How Genetic Is Schizophrenia?

Genetics plays a meaningful role in Schizophrenia, with heritability estimated at around 80%. However, environmental factors — including diet, lifestyle, and exposure — also significantly influence risk.

Key genes associated with Schizophrenia: DISC1,NRG1,COMT,DTNBP1. 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 Schizophrenia?

Family history does matter. Having close relatives with Schizophrenia can increase your personal risk, though it is not deterministic. Maintaining a healthy lifestyle and regular screening remain important regardless of family background.

CircleDNA

The world's most comprehensive at-home DNA test — 500+ reports covering diet, fitness, cancer risk, disease risk, and family planning.

Discover your genetic profile →

Related Genetic Conditions

Sources