Key Takeaways

Blood tests might be able to tell the severity of a concussion

Key blood markers tracked with teens' concussion symptoms

There were significant differences between male and female patients

MONDAY, Nov. 10, 2025 (HealthDay News) — Blood tests might be able to tell how badly a concussion has rung a person’s bell, a new study says.

Certain brain-related biomarkers in the blood are associated with how bad a teenager’s symptoms will be as they recover from a concussion, researchers reported in the November/December issue of the Journal of Head Trauma Rehabilitation .

There are also some significant differences between male and female concussion patients in terms of the markers found in their blood, researchers added.

"Our study builds on previous research suggesting t

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