Some with bipolar and especially with anxiety may be interested in psychiatric service dogs:
http://www.iaadp.org/psd_tasks.html
Then there is the issue of people finding (even after decades) that their bipolar symptoms were due to
something medically and/or
nutritionally testable and/or treatable:
http://jccglutenfree.googlepages.com/
http://itsnotmental.blogspot.com/
*edit*