Doctors warn of 'holiday heart syndrome'
Fox News medical contributor Dr. Nicole Saphier joins 'America's Newsroom' to discuss 'holiday heart syndrome' and a norovirus outbreaking surging across the U.S.
Fox News medical contributor Dr. Nicole Saphier joins 'America's Newsroom' to discuss 'holiday heart syndrome' and a norovirus outbreaking surging across the U.S.