Dear Doctors: I was in a pretty bad car accident. I thought I was lucky I got away with just a concussion, but now I have headaches and see an aura when I look at lights at night. I’m told it may be post-concussion syndrome. Can you please talk about what that is and whether it can be cured?
Dear Reader: We should begin by talking about concussion, a form of traumatic brain injury.
It occurs when a …