(HIG), and Family History Screen.
[ncbi.nlm.nih.gov]
AD, vs. non-AD, had significantly (at alpha = 0.05) lower age at onset, more BP-II, females, atypical depressions, bipolar-I (BP-I) and BP-II family history, and was more
[ncbi.nlm.nih.gov]
There is a pronounced family history in background. Meaning someone in the family may be suffering from depression and other mood disorders.
[tandurust.com]