The ADHD I might blame on the CEN. I don't know tho.
Bipolar is all mine, but there are a few bipolar relatives.
There's definitely a schizophrenic and lots of depression and even some suicidality amongst my relatives on both sides.
PTSD is directly blamed on those that caused it. And unfortunately, going from one kind of abuse/neglect into another is like handing off a baton of issues. But, we seek out as adults what we're taught as children. Yuck that always makes me sick to say, but I did do that.
This thread does make me think though