Hard falls at Olympics but no hard rules about concussions

PYEONGCHANG, South Korea (AP) -- At the bottom of the Olympic aerials landing hill, where crashes are common and the term "slap back" is part of the everyday lingo, skiers spend almost as much time figuring out how to protect their heads as they do working on all those flips and spins....

from AP Top Sports News at 6:23 a.m. EST http://ift.tt/2FdVBUc