We should all care about concussions in women's soccer. Here's why.

FortuneWe should all care about concussions in women's soccer. Here's why.FortuneU.S. goalkeeper Hope Solo, right, tends to teammate Morgan Brian, who collided with Germany's Alexandra Popp during the first half of a semifinal in the Women's World Cup soccer tournament, Tuesday, June 30, 2015, in Montreal, Canada.and more »