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1. www.webmd.com › back-pain › understanding-back-pain-basicsUpper & Middle Back Pain: Symptoms, Causes, & Risk ...

   www.webmd.com › back-pain › understanding-back-pain-basics

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   2024年2月18日 · Osteoarthritis can affect your vertebrae, when the cartilage between them wears down. Bone spurs or a herniated disk can push on nerves. Pregnancy often brings on back pain, too. Hormonal changes ...