Sciatica - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/sciatica/symptoms-causes/syc-20377435
Jan 31, 2024 · Sciatica occurs when the nerve roots to the sciatic nerve become pinched. The cause is usually a herniated disk in the spine or an overgrowth of bone, sometimes called bone spurs, on the spinal bones. More rarely, a tumor can put pressure on the nerve.
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