Chronic pain is defined as any persistent pain which lasts more than 3 months, with research indicting over 85% of patients suffering from chronic pain are affected by severe depression. Consequently, these patients exhibit a poorer prognosis than patients suffering from chronic pain alone. Numerous studies show the coexistence of chronic pain and depression tends to further aggravate the severity of both disorders, however, the … Continue reading Molecular link between chronic pain and depression identified.