Brain injuries can result from various incidents, including falls, car accidents, sports injuries, workplace accidents, assaults, or explosive blasts. Any event that causes the brain to strike the inside of the skull or experience rapid acceleration/deceleration can lead to brain injury. Types: Brain injuries can be classified into two categories: Closed head injury: The brain is injured without any penetration or open woundHere to the skull. This is the most common type and includes concussions and contusions. Penetrating head injury: An object penetrates the skull and directly damages the brain. Symptoms: The symptoms of a brain injury can vary depending on the severity and location of the injury. Common symptoms include: Loss of consciousness (in severe cases) Headache