what disease or illness would force a pro on high level to quit playing or just some casual pub ca star u know like the ones =]

ok so parikson diesae has to be one. how u going to hit a rail whiel shaking like crazy. no disrepect to those who suffer. ofcourse my grandpa has it. =[

what disease or illneses will stop people from playing quake??

peace
dizzle (y)

hope good health u all