A three-year trial showed acupuncture had across-the-board benefits, alleviating both mental and physical fatigue and improving overall quality of life in breast cancer patients.

http://jco.ascopubs.org/content/early/2012/10/29/JCO.2012.41.6222.abstract?sid=b2784545-82ce-4c04-80dd-4bc7de3cb4f8