With teen mental health issues on the rise, New York City has declared social media a public health threat. Newsline with Brigitte Quinn spoke with Health Commissioner Dr. Ashwin Vasan about what comes next.

PHOTO: Jonathan Raa/NurPhoto via Getty Images/File photo

<p>With teen mental health issues on the rise, New York City has declared social media a public health threat. Newsline with Brigitte Quinn spoke with Health Commissioner Dr. Ashwin Vasan about what comes next.</p>
<p>PHOTO: Jonathan Raa/NurPhoto via Getty Images/File photo</p>

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