Ever sence 4/15/07 i think everyone should wear healmets now. i was at the forest gorve skate park at a the bike jam with Goods BMX. he was doing a simple trick, a 180 fakie hit a legde fell backwards and hit the back of his head, and he knew it was bad. he started to jerk and shake blood was everywhere. it was really scary. wear a damn helmet!!!!! it might save your life