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    CNN Hero Dr. David Sabgir: Walk with a Doc

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CNN Hero Dr. David Sabgir: Walk with a Doc

On a Saturday walk in the park, CNN Hero Dr. David Sabgir shares the health benefits of this simple exercise.

CNN Hero Dr. David Sabgir: Walk with a Doc

On a Saturday walk in the park, CNN Hero Dr. David Sabgir shares the health benefits of this simple exercise.