Bipolar is one of the more heritable diseases. If one person has bipolar, every one of their direct relatives (children, bothers, parents) have a 10% chance of

Bipolar is one of the more heritable diseases. If one person has bipolar, every one of their direct relatives (children, bothers, parents) have a 10% chance of also having bipolar. As part of my experience coming to terms with bp2, I did a family history and found out that almost everyone in my father's (high-functioning and accomplished) family had been institutionalized.