Go to this CDC website about traumatic brain injury (TBI) to increase your understanding of what TBI is and its widespread effects.
The do further research of TBI is in one of the following groups: NFL players and the NFL. School atheletes who play contact sports, or military personel returning from the war.
Explain why the members of the group you choose is at risk for TBI.
Who is to blame? Should there be legal consequences?
What can be done to help?