<prompt> Translate the following text to EnglishMatokeo yake, wao kuepuka majeraha ya kichwa concussive kwamba kuua wapiganaji wa ndondi - na uharibifu wa muda mrefu wa neva kwamba cripples yao.  <response>: As a result, they avoid the concussive head wounds that kill boxers--and the long-term neurological damage that cripples them. 