Deviated Nasal Septum: Causes, Symptoms, Diagnosis, Treatment Introduction of deviated nasal septum (DNS) Deviated nasal septum (DNS) is a common nasal problem all over the world. The incidence of a deviated septum rises with age. Causes of deviated nasal septum (DNS) Trauma (birth trauma, road accident, assault, sports injury) Developmental problem Genetic Thumb … [Read more...] about Deviated Nasal Septum: Causes, Symptoms, Diagnosis, Treatment