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  Saving Carla

One girl fights to overcome a family legacy: four generations of diabetes and obesity.


  Getting kids out of their seats

At Naperville Central High, teachers use “brain breaks” to combine exercise with learning.


Reshaping Somerville: The fight against childhood obesity

Need to Know medical correspondent Dr. Emily Senay travels to Somerville, Massachusetts, where town officials have pioneered a new anti-obesity program that’s producing promising results.

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