Which sentence from the passage supports the
idea that attitudes about concussions might be
changing?
"The first challenge for coaches and players is to
identify when a concussion has taken place."
"Some people would argue that players know the
risks, and they willingly assume them when they
take the field."
"But much research has been done, and more has
been learned about brain injuries in the last five
years."
"The intense nature of contact sports, such as
football and hockey, makes concussions inevitable."