According to the World Health Organization

Credit: Gretchen del Rio

The WHO has an extensive list of researched conditions proven to be successfully treated with acupuncture.  It is worth reviewing this site:  http://apps.who.int/medicinedocs/en/d/Js4926e/5.html if you are interested. 

There is more than one lens through which to view an illness, pain or symptom.  Western medicine tends to focus on the condition; Eastern medicine tends to focus on the overall state of the patient.  See Treating Conditions and Treating the Person for more information.