How many concussions does one need to change risk-taking behavior?

If one gets 4 concussions due to physical sports (mountain climbing, football), and other activities... when will one learn to change lifestyle or behavior?How many concussions does one need to change risk-taking behavior?
The concussions themselves are rarely the deciding factor. The convulsions, tremors, memory loss and other nifty neurological conditions usually take care of the risky behavior.How many concussions does one need to change risk-taking behavior?
By then the person would've lost too many brain cells to care.How many concussions does one need to change risk-taking behavior?
no..concussions arent really that serious...and once you get one you are more prone to getting more. The only thing i can think of by changing their lifestyle is not doing activities that hurt your head.How many concussions does one need to change risk-taking behavior?
For some, they will continue on as though nothing happened until they get the one that permanently disables a function such as vision or balance. Others will see the (blurry) light after the first one and change. Still others will be removed from professional sports by a coach or trainer.How many concussions does one need to change risk-taking behavior?
32How many concussions does one need to change risk-taking behavior?
sometimes it takes 200 or so.

it depends on how stupid the person is.

unfortunately, sometimes each concussion makes the person dumber, so the behavior might never stop.