The researchers found that the more relatives a person had with majordepression, anxiety disorder, or alcohol or drug dependence, the more likely he or she was to have that condition too.
Study leader Dr Jeffrey Johnson said more research was needed to see if depression problems in teenagers were an early phase of major depressive disorder or if minor depression earlier in life contributed to the development of more serious problems later on.
First of all, in bipolar disorder there is usually a family history on both parents' sides of bipolar disorder, alcoholism, majordepression, or all of these.
In this scenario we'd probably be better served to consider her as having something like borderline personality disorder with a history of majordepression.