| http://www.w3.org/ns/prov#value | - me in their livesPain in the lower back or low back pain is a common concern, affecting up to 90% of peopleAmericans spend at least $50 billion each year on lower back pain, the most common cause of job-related disability and a leading contributorBack pain and neck pain are among the most common reasons for doctor visits, and are major causes of disability, lost work days, and high healthcare cost
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