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WJLA, February 20, 2012

Concussion photos: What a concussion looks like, inside and out

The superficial wounds of a severe concussion may be few and far between, but the lasting, internal damage can last for a very long time. Here's what a concussion looks like and how it has affected athletes and young people.

Knocked out

One of the most notorious hits in the latest crackdown was the Steelers' James Harrison going helmet-on-helmet with Browns wide receiver Mohammad Massaquoi.