According to the U.S. National Library of Medicine, millions of people suffer traumatic brain injuries (TBIs) in America each year.  The majority of these are severe enough to require immediate medical attention.  In the worst cases, permanent brain damage or death can result.  About fifty percent of all such injuries result from motor vehicle accidents.  Half of the more serious TBIs result in ruptured blood vessels (hematomas) or contusions (bruised brain tissue).  These have to be surgically removed when present. Victims of TBIs may not always experience symptoms right away.  Sometimes it can take days or weeks before a person […]