Heritability for bipolar disorder and schizophrenia is approximately 0.5 to 0.6, and for major depression, it is around 0.3.

“with depression it's like 50 and so most of the psychiatric disorders have strong genetic links they tend to be less than 80 um but but in this kind of 50 to 80 range for many of the the severe ones from depression to schizophrenia uh to autism to bipolar”

“most of the psychiatric disorders have uh strong genetic links they tend to be less than 80 um but but in this kind of 50 to 80 range for many of the the severe ones uh from depression to schizophrenia uh to autism to bipolar”

“so more in the neighborhood of 0.5 to 6 or for something like major depression even lower maybe more like. 3”