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CDC Report Offers Progress on Altering U.S. Obesity Trend

CDC Report Offers Progress on Altering U.S. Obesity Trend

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PBS News Hour

President Obama's Push for Mapping Human Brain Activity

In his State of the Union address, President Obama proposed a decade-long effort to map the activity of the brain. To understand the president's plan and walk through the possible implications, Ray Suarez talks to Dr. Francis Collins, director of the National Institutes of Health, who would coordinate much of the project.
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