There are essentially two main types of brain injuries: traumatic and acquired. Traumatic brain injuries involve those that consequently arise from actual physical impact, such as a blow to the head, contusions, or penetrative injuries where an object goes through the skull and into the brain.
Meanwhile, the acquired type pertains to those injuries that result from oxygen deprivation. Because the brain needs oxygen to be able to function well, the lack or absence of it can lead to fatal results. As an acquired condition, it may not be directly caused by another person per se, although it could be indirectly related to another condition such as a heart attack, stroke, infectious diseases, blood loss, or choking, among others. Read more from this article: http://bit.ly/2qYsRHf