Understanding CTE: The Brain Disease Affecting Athletes

Source: Here's what to know about CTE, the brain disease the NYC shooter blamed for his mental health issues (2025-09-26)

Chronic Traumatic Encephalopathy (CTE) is a degenerative brain disease linked to repeated head injuries, commonly seen in athletes involved in contact sports like football, boxing, and hockey. The disease is characterized by the buildup of tau protein in the brain, which can lead to symptoms such as memory loss, mood swings, depression, and cognitive decline. CTE can only be diagnosed post-mortem through brain tissue analysis, making early detection and diagnosis challenging. Researchers and medical professionals are working to better understand CTE, its causes, and potential ways to prevent or treat it. Awareness has increased due to high-profile cases involving former athletes, prompting sports organizations to implement stricter concussion protocols and safety measures. Despite ongoing research, much remains unknown about the disease's progression and how to effectively intervene before irreversible brain damage occurs.

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