Non-Concussive Head Hits Influence Brain's Microstructure

Non-Concussive Head Hits Influence Brain's Microstructure
(Brett Phibbs/Photosport via AP)

Conversations about injuries in high-impact sports, such as football, hockey, and rugby, typically center around concussions, brain injuries that can affect memory, cognition, and balance. But not every collision yields a concussion, and even repeated, seemingly harmless impacts can alter the microstructure of white matter, myelinated neurons located deep in the brain, researchers reported in Neurology in July.

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