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President Obama and Dr. Sanjay Gupta sit down for an interview.
President Obama and Dr. Sanjay Gupta sit down for an interview.

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    Obama: Environment has effect on public health

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Obama: Environment has effect on public health

President Obama sits down with CNN's Sanjay Gupta to discuss the link between climate change and public health.

Obama: Environment has effect on public health

President Obama sits down with CNN's Sanjay Gupta to discuss the link between climate change and public health.