Former NFL Player Marshawn Kneeland Diagnosed with Stage 1 CTE After Death

前 NFL 球員 Marshawn Kneeland 死後被診斷患有第一期 CTE


Introduction

Researchers at the Boston University CTE Center have confirmed that Marshawn Kneeland, a former defensive end for the Dallas Cowboys, had Stage 1 chronic traumatic encephalopathy (CTE) before he died in November 2025.

波士頓大學 CTE 中心的研究人員確認,前達拉斯牛仔隊防守端鋒 Marshawn Kneeland 在 2025 年 11 月去世前,患有第一期慢性創傷性腦病變 (CTE)。

Main Body

The diagnosis was made after analyzing brain tissue through the Concussion & CTE Foundation. Dr. Ann McKee, the director of the center, emphasized that this progressive brain disease is found in about 50% of athletes who died before the age of 30. Although the NFL has introduced better helmet technology and updated concussion rules, Dr. Chris Nowinski, CEO of the foundation, asserted that these changes are not enough to prevent CTE. He explained that the disease is caused by the total number of small head impacts over time, rather than a few major concussions; consequently, current players may still face the same risks as those in the past.

這次診斷是透過腦震盪與 CTE 基金會分析腦組織而得出的。中心主任 Ann McKee 醫師強調,這種進展性腦病在 30 歲前去世的運動員當中,大約有 50% 會出現。雖然 NFL 引入了更好的頭盔技術並更新了腦震盪規則,但基金會執行長 Chris Nowinski 醫師堅稱,這些改變不足以防止 CTE。他解釋說,這種疾病是由長時間累積的大量細微頭部撞擊引起,而非幾次嚴重的腦震盪;因此,目前的球員可能仍面臨與過去相同的風險。

Regarding the events leading to his death, police records show that on November 5, 2025, Mr. Kneeland was involved in a high-speed car chase in Frisco, Texas, reaching speeds over 145 mph. After a car accident and a short chase on foot, Mr. Kneeland was found dead from a self-inflicted gunshot wound. Records indicate he had struggled with mental health since 2020, including a time when he gave up a firearm and another instance where he was hospitalized for self-harm. Despite this history, the Boston University CTE Center maintains that suicide is caused by many different factors, and therefore, a CTE diagnosis should not be seen as the only cause of his death.

關於導致其死亡的經過,警方紀錄顯示在 2025 年 11 月 5 日,Kneeland 先生在德州 Frisco 參與了一場高速追逐,車速超過 145 英里。在發生車禍及短暫的徒步追逐後,Kneeland 先生被發現死於自殺開槍。紀錄顯示他自 2020 年起便飽受心理健康問題困擾,包括一次交出槍支,以及另一次因自殘而住院。儘管有這些病史,波士頓大學 CTE 中心依然堅持自殺是由許多不同因素引起,因此不應將 CTE 診斷視為其死亡的唯一原因。

Conclusion

This case highlights the difficulty of diagnosing CTE while a person is still alive and suggests that current sports safety rules may not be enough to reduce long-term brain risks.

這個案例凸顯了在人還在世時診斷 CTE 的困難,並暗示目前的運動安全規則可能不足以降低長期腦部風險。

Vocabulary Learning

⚡ The 'Cause and Effect' Logic Jump

At the A2 level, students usually connect ideas with simple words like and, but, or because. To reach B2, you need to use Transition Adverbs. These words act like a bridge, showing the reader exactly how two ideas relate logically.

🔍 Spotting the Patterns

Look at these two sentences from the text:

  1. "...these changes are not enough to prevent CTE... consequently, current players may still face the same risks."
  2. "...suicide is caused by many different factors, and therefore, a CTE diagnosis should not be seen as the only cause."

🛠️ How it Works

Consequently and Therefore both mean "as a result of this."

  • A2 Style: "The helmet is better but players still get hurt because the hits add up."
  • B2 Style: "The helmet is better; consequently, the risk remains because the hits add up."

By using these words, you stop speaking in simple lists and start speaking in arguments.

💡 Quick Upgrade Guide

Instead of using so every time, try these based on the text's logic:

Simple Word (A2)Professional Bridge (B2)Context from Article
SoConsequentlySmall impacts \rightarrow high risk
SoThereforeMultiple factors \rightarrow not just CTE
ButDespiteHistory of health \rightarrow not the only cause

Pro Tip: Notice that Despite is used differently. It introduces a contrast. "Despite this history..." means "Even though he had this history." Using Despite at the start of a sentence is a hallmark of B2 fluency.

Vocabulary Learning

confirmed (v.)
To prove that something is true based on evidence.
Example:The laboratory confirmed that the sample contained a rare virus.
progressive (adj.)
Increasing in severity or becoming more advanced over time.
Example:The patient was diagnosed with a progressive disease that affected his mobility.
asserted (v.)
To state a fact or belief confidently and forcefully.
Example:The lawyer asserted that her client was innocent despite the evidence.
consequently (adv.)
As a result of something that has happened.
Example:He failed to study for the exam; consequently, he did not pass the course.
self-inflicted (adj.)
Caused by oneself, typically referring to a wound or injury.
Example:The paramedics determined that the injury was self-inflicted.
maintains (v.)
To continue to argue or state that something is true, even when others disagree.
Example:The company maintains that its products are safe for public use.
highlights (v.)
To draw special attention to a particular point or detail.
Example:The report highlights the need for better healthcare in rural areas.
Practice B2 words in a crossword