Water polo, a rough but increasingly popular sport in Illinois, searches for concussion solutions

Water polo changed Nathan Allen’s life for the better. The Palatine High School junior wasn’t much of an athlete when he was younger, but he found a place in a sport that, to the spectator, looks like a cross between a water ballet and a mugging. The physicality and competitiveness transformed him, and he now plans to join the Marine Corps after high school. It has been a great experience, save for one issue: He keeps getting hit in the head.

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