Sufferers say the pain caused by the nerve disorder is so debilitating that they can’t smile, laugh or even make eye contact with another person.

Brenan Cullimore fainted during a basketball game and never woke up. He'd been diagnosed with Brugada syndrome and one of his ...

Thunderclap headache is often referred to as the worst headache of your life. Learn about diagnosis, symptoms, and what to do ...

“It is the worst pain I could have ever imagined,” she says. “If I can stop that from happening for somebody then I know me and my family and his family would like that.” Brenan and Abby ...

A sharp or stabbing chest pain, worse with deep breaths, can point to a pulmonary embolism—a clot lodging in lung arteries. Often born in leg veins, these clots travel fast, cutting off blood ...