The word coma comes from the greek meaning of “deep sleep,” but what exactly does this unconscious state do to your brain? Can A Brain Injury Make You a Genius? ►►►► http://bit.ly/1H7EgWg Read More: How Comas Work http://science.howstuffworks.com/life/inside-the-mind/human-brain/coma2.htm “Illnesses that affect the brain and brain injuries can both cause comas. If a person suffers severe…