Fill in the blanks to complete the passage about traumatic brain injuries and…

Fill in the blanks to complete the passage about traumatic brain injuries and concussions. Drag word(s) below to fill in the blank(s) in the passage. Traumatic brain injuries, or TBls, occur when external trauma causes changes in consciousness as well as physical damage to the brain. Severe TBIs are responsible for about blank percent of all injury-related deaths. Recently, concern has grown about concussions in blank in part because research has revealed that concussions can produce long-term effects such as an increased risk of blank later in life. Research has recently begun to investigate the effects of concussions on blank who are more vulnerable and have worse outcomes.