Medics say repeated strenuous movements wore down one of the vertebrae in his neck, and causing it to finally crack. Experts at the University of Leipzig Hospital, who treated the man, believe this is the world's first documented of VR-related stress fracture. Detailing the case in a medical journal, the team wrote the unidentified man's injury resembled ones seen in runners and soldiers. The man went to the hospital after experiencing a sharp pain in his shoulders while playing a game. Doctors did not reveal what game he was playing, but said it required him to move his body to...