Many are asking about moon face after Amy Schumer revealed that her swollen face was caused by Cushing syndrome. As the comedian explained during an interview with Alex Cooper on her Call Her Daddy ...

Add Yahoo as a preferred source to see more of our stories on Google. Certain people feel like they're seeing monsters everywhere due to a frightening, ultra-rare condition that causes everyone to ...

Some conditions are so rare that most people have never heard of them, yet for the families affected, they change everything.

A 58-year-old man with a rare medical condition sees faces normally on screens and paper, but in person, they take on a demonic quality. The patient has a unique case of prosopometamorphopsia (PMO), a ...

Because symptoms can appear several hours after eating, rather than right away, the condition can be harder to recognize and diagnose.

Long-term steroid use can cause your face to become round and puffy. This can also result from other health conditions, including those that affect the thyroid. Share on Pinterest Getty Images ...

Human genetic syndromes are often challenging to diagnose clinically. Facial phenotype is a key diagnostic indicator for hundreds of genetic syndromes and computer-assisted facial phenotyping is a ...

Justin Bieber shocked fans on Friday after he revealed that half of his face had become paralyzed. The 28-year-old pop star shared via social media on Friday that he’d been diagnosed with Ramsay Hunt ...

Justin Bieber is experiencing paralysis in his face after being diagnosed with a rare disorder. “I wanted to update you guys on what’s been going on. Obviously, as you can probably see from my face, I ...

Certain people feel like they're seeing monsters everywhere due to a frightening, ultra-rare condition that causes everyone to look like they have an evil smile, per a study published in "The Lancet." ...