“A traumatic brain injury, or TBI, is an injury that affects how the brain works. It may be caused by a:

• Bump, blow, or jolt to the head, or
• Penetrating injury (such as from a gunshot) to the head

TBIs affect the lives of people of all ages.  There were about 61,000 TBI-related deaths in the United States in 2019.”

Centers for Disease Control and Prevention – CDC