Jerry credits his smashed bike helmet with saving his life.
He describes waking up in an ambulance, and spending a day in the ER.
But it was a full nine months after his bike crash that Jerry was finally diagnosed with a traumatic brain injury.
Jerry, a long-time cyclist, describes how his physical injuries masked his brain injury.
Little by little, his reality completely changed.
Serious brain injuries are not always obvious.
There is an old saying: no surgery is minor if it is happening to YOU.
The same is true for mild traumatic brain injuries.