It looks like the Mayo Clinic’s opinion on prolotherapy has changed since Angela got that negative reaction in 2004:
Prolotherapy: An effective treatment for low back pain?
By Mayo Clinic Staff (Mayo Clinic neurologist Jerry Swanson, M.D., and colleagues)
Apr 29, 2008
http://www.mayoclinic.com/health/prolotherapy/AN01330
”A review of five well-designed studies involving 366 participants concluded that prolotherapy alone was ineffective in treating chronic low back pain. However, when combined with other treatments - such as spinal manipulation and exercise - prolotherapy may imp ...
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