Why a Head Injury Can Be Far Worse Than You RealizeGeorge Dvorsky4/01/14 2:40pm739EditPromoteGo to permalinkEach year in the United States, 2.5 million people will visit the ER for traumatic head injury. Of them, 50,000 will die. And those who do recover often exhibit lingering effects. It's a serious public health issue that's only getting worse. Here's what you need to know about protecting your head.