Risk factors for sciatica include: Age. Age-related changes in the spine, such as herniated discs and bone spurs, are the most common causes of sciatica.Obesity. Being overweight increases stress on the spine.Occupation. A job that requires twisting the back, carrying heavy loads or driving a motor vehicle for long periods might play a role in sciatica.Prolonged sitting. People who sit a lot or don't move much are more likely to develop sciatica than active people are.Diabetes. This...

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