No
yes
The most common cause of concussions is checking, or using your body to gain a positional advantage.
well they are about the same they always have concussions
i have had two concussions and both times i suffered from fatigue. i would get tired from easy every day tasks.
No
mohammed ali
8
compared to what?
20
12
people who have concussions are hurt which means that is not a common sign!....it also consists of four thinggss