text: An overview of Cochrane reviews found that acupuncture is not effective for a wide range of conditions, but there is some evidence that it may have a beneficial effect for chronic lower back pain, tension-type headaches, migraines, nausea and vomiting, osteoarthritis, neck pain, irritable bowel syndrome, as well as several other conditions where there is not enough evidence to draw any clear conclusions over its relative effectiveness compared with other treatments.