Here are some links that mention autoimmune/immune in connection with bipolar

http://www.psychiatrysource.com/News...firstpage=true
http://www.immunologie.nl/index.php?...121&Itemid=213
http://www.psychiatrysource.com/News...firstpage=true
http://www.psychiatrysource.com/News...firstpage=true
http://www.ozarkguidance.org/poc/vie...&id=11205&cn=4
http://64.233.183.104/search?q=cacheUDnn1kT_H8J:www.oreilly.com/medical/bipolar/news/causes.html+bipolar+disorder+immune+system&hl=en&ct=clnk&cd=15&gl=uk&lr=lang_en&client=firefox-a