Click on this linkhttp://www.mayoclinic.com/health/depress…
Here are a few other links that may help you. I have a spine injury and use them often.http://health.discovery.com/centers/pain…http://www.mayoclinic.com/health/chronic…
Back Pain Tips
Pain Relief Ideas For The Lower Back
Biofreeze Gel 3 Oz. ROLL-ON
You will not find a better instant pain reliever for sore muscles, back pain and even leg cramps.