Which percentage of individuals with a history of repetitive mild traumatic brain injury showed chronic traumatic encephalopathy symptoms?

A) 20%
B) 40%
C) 60%
D) 80%

Chronic Traumatic Encephalopathy

A brain condition associated with repeated head injuries, leading to cognitive decline and mental health issues.

Traumatic Brain Injury

A form of brain injury caused by a sudden trauma that results in damage to the brain, affecting its functions.

Symptoms

Physical or psychological signs that indicate the presence of a condition or disease.