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[Comment] Low back pain: a major global challenge

Low back pain is a major problem throughout the world and it is getting worse—largely because of the ageing and increasing world population.1 It affects all age groups and is generally associated with sedentary occupations, smoking, obesity, and low socioeconomic status.2 Years lived with disability caused by low back pain have increased by more than 50% since 1990, especially in low-income and middle-income countries (LMICs).1,2 Disability related to low back pain is projected to increase most in LMICs where resources are limited, access to quality health care is generally poor, and lifestyle changes and shifts towards more sedentary work for some mean the risks will only increase.