But, 60 percent of the incidents are caused by baseballs. Most of the other sports-related cases occurred in ice hockey, with other instances reported in connection with football, lacrosse, basketball, cricket, martial arts, boxing, fights, and vehicular accidents
Because of the risk, some baseball players wear special chest protectors beneath their shirts. The JAMA study concludes that the safety of young athletes can be improved by wearing of equipment that can protect the chest wall from blows. Other preventive measures include having young players use soft baseballs, and educating participants and coaches.
Nader's mother says parents should have their children wear protective gear no matter how safe the sport they play may seem.
"You never know when this will happen," she said. "Hug and kiss your children as much as possible."
For those who wish to make contributions in honor of Nader, his family is asking that people send donations to the camp he attended, Camp Jenny, c/o Temple Kol Emeth 1415 Old Canton Rd., Marietta, GA 30068 or the Camp Chai Scholarship Fund, c/o Marcus Jewish Community Center 2509 Post Oak Tritt Rd, Marrietta, GA 30062.