Could be . . .
Published data do suggest that acupuncture
-- including manual-, electrical-, and laser
-based -- is a generally helpful, well-tolerated, and safe monotherapy for depression
Also, manual acupuncture can augment antidepressant therapy. There's less data about recurrence of depression after acupuncture treatment. Many of these studies come from china. http://www.ncbi.nlm.nih.gov/pubmed/22762294.