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The Year In Medicine

Our advances in science haven't allowed us to see into the future, but we can of course gaze into the past. Our medical correspondent Dr. Jon LaPook and medical unit Associate Producer Jessica Van Garsse take a look back at the top medical stories of 2007.

Topping their list are an important advance in stem-cell research, the drug-resistant superbug MRSA, and one promising statistic that just might have something to do with our own Katie Couric. Click the video player at left to find out more.