In our game, it was a mild concussion. There were four yellow cards issued in that game, all resulting from poor decisions or accidents. Girls' lacrosse is changing. Like other women's sports, it is faster and more physical than ever. At an increasing rate, fall soccer players are picking up lacrosse as a spring sport, or vice versa.
Soccer is a quick and physical game.
The result is staggering. There is risk of injury in any sport. So the smart thing to do is minimize risk, not the opposite. Safety rules should prohibit checking in congested areas and should require that the defensive player be ahead of the ball carrier. When a ball is down, one player from each team should go in to scoop it up, not a crowd shoveling their sticks at each other's faces.