A traumatic brain injury (TBI) can occur to anyone. Every year over 200,000 individuals are diagnosed with a TBI, which is simply brain dysfunction caused by an external hit or blow to the head.
In the 2019 preseason and regular season of the NFL, 224 concussions were diagnosed. That does not account for the concussions and/or TBI that are underreported or self-reported at a later time.
With that said, it is still possible for some individuals with traumatic brain injury to heal, in some cases, even make a full recovery.
Read more on themighty.com