Underlying causes of unipolar and bipolar disorders

Answer 1

Your text may explain the underlying causes -- but these sites maintain that ther are many causes of unipolar and bipolar disorders.

http://www.bipolarcentral.com/otherillnesses/unipolar_disorder.asp

http://www.associatedcontent.com/article/2005028/unipolar_bipolar_depression.html?cat=5

http://www.essortment.com/family/depressionunipo_sail.htm

http://en.wikipedia.org/wiki/Bipolar_disorder

Answer 2

Thanks Sue, I had to do this same paper tonight and your sites helped me so much.