What is Ramsay-Hunt syndrome?
Singer Justin Bieber revealed last week that he was diagnosed with Ramsay-Hunt syndrome. What is it? ABC News chief medical correspondent Dr. Jen Ashton explains.
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Hailey Bieber opens up
After suffering a “mini stroke” last month, Hailey Bieber is sharing new details and the cautionary advice for everyone: a stroke can strike at any age. ABC’s Derricke Dennis has more.
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