effectively prevent and treat them, which is a priority area for CDC's Injury Center."

Additionally, one-third of those injured were under age 12, showing that not just high school athletes are at high risk, the study found.

"We learned two really important things about pediatric concussion healthcare practices," Kristy Arbogast, lead author and Co-Scientific Director of CHOP's Center for Injury Research and Prevention, said in a statement today. "First, four in five of this diverse group of children were diagnosed at a primary care practice -- not the emergency department. Second, one-third were under age 12, and therefore represent an important part of the concussion population that is missed by existing surveillance systems that focus on high school athletes."

Though the finds are significant, it may be hard to generalize theforce Israel to join the Non-Proliferation of Nuclear Weapons Treaty and bring its nuclear program under the supervision of the International Atomic Energy Agency (IAEA), a UN atomic watchdog, Iranian state television reported.Iran's condemnation follows an Israeli air strike Wednesday on a Syrian military facility which housed weapons systems that were about to be transferred to Hezbollah in Lebanon from Iran, according to the IDF Spokesperson's Unit.Following the Israeli strike near Latakia, Syria fired anti-aircraft missiles that hit a Russian IL-20 plane, killing all 15 airmen aboard . On Tuesday morning, Moscow accused Israel of using the Russian plane as cover to carry out the strikes, and said Israel had issued a warning of the impending operation only one minute beforehand.The downing of the Russian aircraft sparked the