:::http://www.instincttoheal.org/article.php3?id_article=15#sommaire_9 has lots of info on studies that show its effectiveness against depression and bipolar disorder 
 :::and two case studies: 
 :::http://www.instincttoheal.org/article.php3?id_article=41 
 :::http://www.instincttoheal.org/article.php3?id_article=42