Some studies have estimated that 10 to 20 per cent of veterans returning from the conflicts in Iraq and Afghanistan sustained mild traumatic brain injury resulting from improvised explosive devices and other blast exposures.

A summary report by the Department of Veterans Affairs and a report by the National Academies Press confirms the claim.

A summary report by the Department of Veterans Affairs and a report by the National Academies Press confirms the claim.An executive summary report by the Department of Veterans Affairs says that veterans deployed in the Operations Enduring Freedom (OEF) to Afganistan and Operations Iraqi Freedom (OIF) to Iraq have found that traumatic brain injury is a common condition. The descriptive table in the report shows that most of the veterans returning from the conflicts in Iraq and Afghanistan sustained mild traumatic brain injury resulting from the blast exposures. (Ref. page no 6 and 20)

According to a report by the National Academies Press, some studies have estimated that 10–20% of veterans returning from OEF and OIF have traumatic brain injury due to a blast from improvised explosive devices which results in numerous physical and mental health outcomes, such as traumatic brain injury in the veterans.

The study published by Molecular Psychiatry says that approximately 10–20% of veterans returning from the conflicts in Iraq and Afghanistan sustained mild traumatic brain injury resulting from the shockwaves emitted from blast exposures especially those related to improvised explosive devices.