I have spondylolisthesis, which was discovered in 2012 after a fall. I fought muscle spasms for nearly a year before turning to acupuncture. I believe that should be long enough to discount placebo effect. I had noticeable improvement after my first treatment, incredible improvement in quality of life after the second, and have had my pain under control 90% of the time since my third or fourth.
I initially turned to acupuncture, though, after trying IVF and having an unsuccessful embryo transfer. The second transfer, I started acupuncture at the same time as starting meds. On the exact same medication protocol, and changing absolutely nothing else in my life, I had a 25% thicker endometrial lining than at the first transfer. Perhaps it was a coincidence, but I only tried it at the suggestion of my midwife, who handed me a newspaper clipping saying that studies were showing acupuncture to be effective at boosting IVF success rates. My first treatment ever, I was laying on the table thinking, "okay, really.....? There is no way this actually does something...." It did, though. (As evidenced by two little monkeys