Traumatic brain injuries dont always show

https://zukoski-group.chbe.illinois.edu/index/index.php/Car_Accident_Help_for_Northwest_San_Antonio_Families

Traumatic brain injuries don't always show up right away. My uncle had headaches for weeks after a crash before anyone connected the dots. If you hit your head at all, get checked. It's not worth waiting to see if the headaches go away