Q: What is stiff person syndrome with which Celine Dion was diagnosed? A: Stiff-person syndrome (SPS) is a rare neurological disease affecting about 1or 2 out of a million people that may cause the ...

Muscle twitches, often experienced as sudden, involuntary movements in the muscles, are common yet can raise concerns for some individuals. These small, rapid contractions, medically known as ...

Chest pain can stem from a heart problem, but other possible causes include a lung infection, muscle strain, a rib injury, or a panic attack. Some of these are serious conditions and need medical ...