Head injuries can transform from seemingly minor bumps into life-threatening medical emergencies within minutes or hours. The brain sits protected within the skull, but when trauma occurs, the ...

Bleeding occurs when trauma damages a blood vessel. When that trauma involves your head—whether the scalp, skull, or brain—it’s considered a head injury. These head injuries range in severity from a ...

TBI triggers both primary mechanical damage and delayed secondary injuries like inflammation and neurodegeneration. Cognitive effects may include memory loss, mood swings, and impaired social judgment ...