Idk. but I do know that you may have concussions when you get these hard hits in the head. A concussion can be mild and you might be dizzy. A concussion can be severe and you lose your memory.
365
10500/year
In the normal year, there are 365 days.
31,536,000 in a normal year or 31,622,400 in a leap year.
who cares how many there r
at least 10 maybe more
34 to 100
about 10 concussions happen a year in the United States. It is low because of the Riddell Revoulution Speed.
8
20
12
10
None that i am aware of.
Roughly seven.
8
68