Abstract:
Historically, mood disorders have been blamed upon evil spirits, possession and witchcraft. More modern investigations have looked at environmental causes and childhood experiences. However, more and more evidence shows that genetics play an important role in these disorders, including bipolar disorder....
Federico Valdivieso
posted 12/05/08 @ 6:00 PM EST
Journal article from 2002:
http://www.nature.com/mp/journal/v7/n6/abs/4001058a.html