Study estimates 75% of NFL players who died in recent years had signs of CTE

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Study estimates 75% of NFL players who died in recent years had signs of CTE. (2026, October 29). CBS News. https://www.cbsnews.com/video/study-estimates-nfl-players-died-recent-years-signs-of-cte/

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CBS News · collected 2026-10-29

Quick Summary

Researchers from the JAMA Network Open found that three-quarters of former NFL players who died between 2008 and 2023 showed signs of chronic traumatic encephalopathy (CTE), a degenerative brain disease linked to repeated head injuries. Yorghos Tripodis, a biostatistics professor at Boston University, provided additional insights into the study's findings.
Written by AI on 2026-10-29, from this article's own text only (the story summary below draws on all the coverage).

Story

📰 Study Estimates High CTE in Deceased NFL Players
Health · 3 article(s) covering the same event. See how they differ ↓

Compared with similar articles

This article reads unscored and hedges 0% of its claims. Each row says how that neighbour differs.
New study estimates 75% of deceased ex-NFL players had brain disease CTE Same event
The Guardian
Hedges 3 of 20 claims Outlet record 67/100
Study estimates 75% of NFL players who died over 15-year span may have had CTE Same event
NBC News
Hedges 2 of 41 claims Outlet record 60/100
Experts react to new findings on CTE in former NFL players Different event
CBS News
Hedges 8 of 37 claims Outlet record 66/100
“While both articles discuss similar findings on CTE in NFL players and cite Boston University research, they appear to describe different reports or updates from distinct publication dates.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
2
sentences that state something as happening or true
Uncertain
0%
0 of 2 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
66/100
CBS News's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
3
Health
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-29 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

CBS News · 4060 article(s) · 6 correction(s) detected
Running correction rate · 6 correction(s)
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Who wrote this

No reporter is named on this article.

Topics

Boston University JAMA Network Open NFL

Subjects

Boston University ORG · 1× JAMA Network Open ORG · 1× NFL ORG · 1× Yorghos Tripodis PERSON · 1×

Narrative

A new study published by JAMA Network Open estimates that 75% of former NFL players who died between 2008 and 2023 showed signs of a degenerative brain disease known as CTE.
framing: assertive · carried by 1 article(s) · first seen 2026-10-29
2026-10-29 · CBS News
Study estimates 75% of NFL players who died in recent years had signs of CTE · assertive framing

Claims (2 extracted, 0 hedged)

A new study published by JAMA Network Open estimates that 75% of former NFL players who died between 2008 and 2023 showed signs of a degenerative brain disease known as CTE. asserted
who → publish → CTE
Yorghos Tripodis, a professor of biostatistics at Boston University, has more. asserted
Tripodis → have → more
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