The low-down on concussions in sports

In today's paper, Eli Schultz reports that the Ivy League is teaming up with the Big Ten to study concussions, a persistent problem in the world of sports:

A summer break didn’t stop the Ivy League from tackling one of the hottest topics in sports today: concussions.

In June, the Ancient Eight announced a collaboration with the Big Ten conference to facilitate the exchange of ideas and data between the 20 institutions in the two leagues.

Though it's not yet known exactly what the collaboration will look like, what is clear is that head injuries present a real threat to all athletes involved in contact sports.

But what exactly is a concussion? What are its causes and effects? And what is being done to minimize the danger for athletes in high-risk sports? Read on after the jump for a run-down of the many stories behind this story. 

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