Head injuries are dangerous they can lead to permanent disability mental impairment and even death to most people head injuries are considered an acceptable risk when engaging in sports and . Traumatic brain injury results from an impact to the head that disrupts normal brain function traumatic brain injury may affect a persons cognitive abilities including learning and thinking skills. A head injury is an injury to the brain skull or scalp it can be hard to assess the severity of the injury just by looking minor head injuries may bleed a lot while some major injuries don . A head injury is any trauma to the scalp skull or brain the injury may be only a minor bump on the skull or a serious brain injury head injury can be either closed or open penetrating. Overview traumatic brain injury usually results from a violent blow or jolt to the head or body an object that penetrates brain tissue such as a bullet or shattered piece of skull also can cause traumatic brain injury
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