RESEARCH has found genetics is likely to blame for those suffering from depression combined with back pain.
University of Sydney's Faculty of Health Sciences researcher Paulo Ferreria said new research showed the link between back pain and depression was a result of common genetic factors.
"While the prevalence of patients concurrently suffering depression and low back pain is high, this new research shows it is possible there is no direct relationship between the two conditions," Dr Ferreria said.
One of the study's authors, Marina de Barros Pinheiro, explained genes could be responsible for the increase in the risk of someone suffering both back pain and depression.
She said they examined about 2100 identical twins as a control study and found that there was no evidential link between back pain and depression and that it had to come down to genetics.
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