Regulatory gap widens as OSHA declines enforcement on player safety
OSHA declines enforcement on NFL player health despite documented high CTE rates among professional athletes.
Event / Health
NFL Player Health Crisis
Widespread health issues affecting NFL players including CTE, Parkinson's disease, and other neurological conditions linked to repeated head trauma during their careers.
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2026-08-11 to 2026-11-08 · UTC publication dates
Coverage begins 8 Jul, 03:52 UTC
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What happened
CTE affects less than 1% of general population
Community brain bank studies have shown that CTE affects less than 1% of the general population, providing context for the significantly higher rates found among former NFL players.
91.4% of donated NFL player brains showed CTE diagnosis
Of the 235 former NFL players who donated their brains for study and died between 2016 and 2021, 215 brains (91.4%) were diagnosed with CTE, a degenerative brain disease caused in part by repeated traumatic brain injury.
NFL says it continuously works to make football safer
An NFL spokesperson stated that the league continuously strives to make football safer through strategies to reduce concussions and head impacts, and remains committed to providing resources to enhance the physical and mental wellbeing of the NFL community.
Study finds minimum 25% of deceased NFL players had CTE
A study published in The BMJ by researchers at Mass General Brigham found that a minimum of approximately 25% of retired NFL players who died between 2016 and 2021 had chronic traumatic encephalopathy (CTE). The study examined 878 players who died during that period, of which 235 donated their brains for research and 215 were diagnosed with CTE.
Strong correlation found between advanced CTE and dementia in NFL players
The study found that more than 90% of players diagnosed with Stage IV (most advanced stage) CTE also met clinical criteria for dementia based on medical records and information from loved ones. However, only about 40% of players without CTE showed dementia diagnosis, indicating the link between dementia and lower CTE stages remains unclear.
CTE prevalence in NFL players could range up to 97.7%
Researchers created a denominator list of 1,712 NFL players who died between 2016 and 2021. Because 643 of the 878 players who died during the highest donation period did not have their brains studied, the study calculated an upper-end possible prevalence of approximately 97.7% if all unstudied brains had CTE, suggesting the true rate lies somewhere between 24.5% and 97.7%.
CTE can only be diagnosed after death by brain examination
Chronic traumatic encephalopathy (CTE) is a degenerative brain disease that can only be definitively diagnosed through brain dissection and tissue examination after death. There is currently no method to diagnose CTE in living patients.
Current OSHA states it does not typically take enforcement action regarding professional athletes
In response to questions about CTE prevalence in professional football, current OSHA management stated that the agency does not typically take enforcement action with regard to professional athletes.
Former OSHA officials describe CTE rate among NFL players as extremely high
Former OSHA chief Doug Parker stated he would not expect such conditions to be tolerated in any other industry. Another former OSHA official called the CTE rate 'astoundingly high,' while a third former official termed it 'apocalyptically high,' stating such levels have never been seen in workplace safety contexts.
Post-mortem brain analysis confirms Marshawn Kneeland had Stage 1 CTE
A post-mortem brain tissue analysis performed by the Concussion & CTE Foundation and Boston University CTE Center diagnosed Marshawn Kneeland with Stage 1 chronic traumatic encephalopathy (CTE), the lowest of four stages. CTE is a degenerative brain disease caused by repeated head impacts and can only be diagnosed by studying brain tissue after death. Dr. Ann McKee, director of the Boston University CTE Center, noted that nearly half of athletes studied who died before age 30 have been found to have CTE. The diagnosis was released on July 7, 2026.
Kneeland's CTE diagnosis found despite modern NFL concussion protocols and safety equipment
The diagnosis of chronic traumatic encephalopathy in Marshawn Kneeland is significant because he played in the modern era of professional football with contemporary concussion protocols and improved helmet technology. Dr. Chris Nowinski, CEO of the Concussion & CTE Foundation, emphasized that current concussion protocols do not prevent CTE, as the disease is caused by repeated head impacts rather than just concussions. Nowinski stated there is no reason to believe the current generation of players faces lower CTE risk than previous generations, and called for implementation of CTE prevention protocols to reduce the number and severity of head impacts at all levels of the sport.
Marshawn Kneeland played tackle football beginning at age 7
Marshawn Kneeland began playing tackle football at age 7. He later played four seasons at Western Michigan University before being selected by the Dallas Cowboys in the second round of the 2024 NFL Draft. In his final season with the Cowboys, he appeared in seven games and scored his first career touchdown on November 3, 2025, in a 27-17 loss to the Arizona Cardinals.
Dallas Cowboys defensive end Marshawn Kneeland died by suicide at age 24 in November 2025
Marshawn Kneeland, a defensive end for the Dallas Cowboys who was drafted in the second round of the 2024 NFL Draft, died by suicide on November 6, 2025, at age 24. The death occurred following a police chase when Texas Department of Public Safety troopers attempted to pull him over for a traffic violation. Kneeland did not stop, leading to a high-speed chase. He crashed his vehicle and fled on foot. Before authorities located him, people who knew Kneeland received a group text from him saying goodbye, indicating suicidal intent.
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2 alternative perspectives
Research reveals stark CTE prevalence rates among NFL players
Research shows 91.4% of examined NFL player brains had CTE, far exceeding general population rates.
Cowboys player, 24, had CTE at death despite modern safety protocols
Cowboys player with Stage 1 CTE died by suicide; diagnosis found despite modern NFL safety measures.