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- 1What Science Actually Knows About CTE▼The CTE conversation: What science actually knows (and what we don’t)
A new examination of chronic traumatic encephalopathy reviews what research has established about the brain disease linked to repeated head impacts, and where scientific certainty ends. The piece weighs confirmed findings against open questions about diagnosis, prevalence and long-term effects, reflecting ongoing debate among scientists, athletes and sports organisations over how much is truly known.