If someone you are with suffers a head injury and becomes unconscious; You should NOT move them, you could cause more harm to the neck/head/back injury. Check that they are conscious by saying their name and asking basic questions; just because their eyes are open it does not mean they are conscious. If they do not respond to you, or you think there is a major trauma, CALL FOR AN AMBULANCE. Check the airway ...

Over a million people are admitted to hospital every year due to a head injury, the majority mild. Doctors have discovered however, that minor head injuries can produce long term effects as nerves can become strained, resulting in different parts of the brain disconnecting. ...