We are getting better research about how age of onset and "Family Loading"
influence how we do later in life:
Does A Family History Of Depression Increase The Risk For My Developing Depression?
Does A Family History Of Depression Increase The Risk For My Developing Depression? - ABC News
". . . a family history of depression is a very strong predictor of depression in an individual."
Cohort Effect May Be Responsible For Increased Severity, Earlier Diagnoses in Bipolar Disorder:
http://www.psychiatryadvisor.com/bip...rticle/525325/
Apparently, we were born into families with these disorders.
M