Sciatica's (pronounced sigh-AT-eh-ka) hallmarks are pain and numbness that radiates down the leg, often below the knee. In nine out of 10 cases, sciatica is caused by a displaced disk in the lower spine.
The best medicine is often patience — with some stoicism mixed in — because the pain often goes away, even if the problem disk does not. Researchers have found that the pain usually improves within a month.
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