Home » Yahoo News - Latest News & Headlines » US service members injured in Iraq: How soon do concussion symptoms appear? US service members injured in Iraq: How soon do concussion symptoms appear? 20 Jan, 2020 0 Comments Reports that several U.S service members were treated for concussion symptoms are raising questions about how soon the Pentagon knew of the injuries. from Yahoo News - Latest News & Headlines https://ift.tt/2TzvpwP Yahoo News - Latest News & Headlines Share