Derek Carr practiced today.

I’ve been dealing with post concussion syndrome for a year and a half. After talking to many doctors, etc. I’ve come to the conclusion that all concussions are not created equally and vary person to person. Some people can quickly recover from a severe blow, while others could potentially die from what appears to be a benign blow. I’ve questioned players who took a long time to come back, or didn’t at all, after a concussion. Now my heart goes out to them. It can be a horrible, confusing, debilitating experience.
I had a concussion in basketball. Was tripped into a wall. Was fine the next day.

I saw someone get a concussion in rugby. Got flipped in the air and landed head first. He was off for a week.

I saw someone get a concussion in baseball. Got hit in the head with a bat during a practice swing. He was out for a month.

Scary injuries to see.