Justin Bieber recently revealed he's been diagnosed with Ramsay Hunt syndrome. The singer shared a video of himself on social media, saying the condition's forced him to cancel all his upcoming shows.

In March, the 30-year-old singer showed that he has regained mobility in his face after being diagnosed with Ramsay Hunt syndrome in June. The syndrome left his face partially paralyzed.

Ramsay Hunt syndrome (RHS), which has forced singer Justin Bieber to cancel his world tour, is a rare and painful complication of the virus that causes shingles and chickenpox. RHS was discovered ...

Dianne Feinstein, 89, also developed Ramsay Hunt syndrome, which can cause facial paralysis, her office said. The encephalitis resolved itself, but she continues to deal with Ramsay Hunt syndrome ...