纽约枪击案杀手携带小纸条暗示行凶原因！只因得了这种疾病？

Core Viewpoint - The article discusses a tragic shooting incident in New York City linked to chronic traumatic encephalopathy (CTE), a degenerative brain disease associated with repeated head injuries, particularly in contact sports like football. The shooter, who claimed to suffer from CTE, targeted the NFL headquarters, highlighting the ongoing concerns regarding brain injuries in sports and the NFL's past negligence in addressing these issues [1][2]. Group 1: Incident Overview - A 27-year-old man carried out a shooting in a Manhattan office building, killing four and injuring one before taking his own life. He left a note expressing his grievances related to a degenerative brain disease [1]. - The shooter believed he had chronic traumatic encephalopathy (CTE), a condition that can lead to severe cognitive decline and is primarily diagnosed post-mortem [1][2]. Group 2: CTE and Its Implications - CTE is distinct from concussions, as it results from repeated head trauma rather than a single incident. It can lead to cognitive changes, including dementia, but lacks effective diagnostic methods during a patient's life [2]. - The NFL has faced significant scrutiny over its handling of brain injuries, having reached a nearly $1 billion settlement with over 4,000 retired players who claimed the league failed to warn them about the risks of concussions [2]. Group 3: Perspectives on CTE - A former Harvard football player noted that CTE is a severe brain disease, with research indicating that it can lead to uncontrollable emotional responses and erratic behavior. However, he mentioned that not all football players develop CTE [3].