Prime objective of this article is to explain Causes and Treatments Brain Injury. The brain can become injured from your physical trauma like any sports activity, a car crash or in the instance of physical violence. These are generally called traumatic brain injuries or TBI. Apart from this, there is another class of injuries that are described as acquired. The brain is among the most most complex organ from the body. It performs multiple tasks at same tome. So, if it sustains a personal injury, it can have a serious impact on every sphere of your life. Still, injury to serotonin levels is quite common, which range from mild to severe without foolproof method has been invented to eliminate it completely.