The Mayo Clinic has used acupuncture since the 1970's, they also have licensed acupuncturists on staff. A review of acupuncture by the World Health Organization confirmed its effectiveness in treating 28 conditions and found proof that it may also work for several more!
In 2006 the Mayo Clinic's acupuncture study proved that people suffering with Fibromyalgia, Headaches, Nausea & Vomiting, Osteoarthritis and Pain have all had a noticeable improvement after acupuncture treatment.