This story is nearly a month old and from USAToday
"WASHINGTON - Pentagon officials estimated for the first time Wednesday that up to 360,000 Iraq and Afghanistan veterans may have suffered brain injuries. Among them are 45,000 to 90,000 veterans whose symptoms persist and warrant specialized care...
Pentagon officials have been reluctant to estimate the number of potential brain-injury casualties among the 1.8 million troops who have served in Iraq and Afghanistan.
[Army Brig. Gen. Loree] Sutton based her estimate upon military health-screening programs showing that 10% to 20% of returning troops have suffered at least a mild concussion. Among them are 3% to 5% with persistent symptoms that require specialists such as an ophthalmologist to deal with vision problems.
The science is so new that it remains unclear whether symptoms attributed to brain injury are actually the result of post-traumatic stress disorder caused by the same combat incident - a roadside bomb blast, for example - that caused the brain injury.."
No one deserves it.