Add Yahoo as a preferred source to see more of our stories on Google. Q: What is stiff person syndrome with which Celine Dion was diagnosed? A: Stiff-person syndrome (SPS) is a rare neurological ...

Nutritional deficiency, dehydration, and nerve compression are all potential reasons you might experience leg cramps. Here, ...

Muscle cramps are the worst. Whether it's a side stitch during a run or a rogue "charley horse" that wakes you up at 3 in the morning, cramps can be incredibly painful and annoying. Cramps seem to ...

Add Yahoo as a preferred source to see more of our stories on Google. Singer Celine Dion’s announcement Thursday that she has stiff-person syndrome will shed new light on a rare treatable, but ...

If you’ve ever jolted awake with a painful cramp in your calf, you know that nighttime leg cramps (a.k.a. Charley horses) can disrupt your sleep and cause serious discomfort. Health experts say that ...

Dehydration may be one cause of muscle cramps, and some evidence suggests that electrolyte imbalances also contribute to them. Muscle cramps are painful, involuntary contractions of the muscles that ...

Exercise, sleep and nutrients all play a role ...

Anyone who has had tight muscles or a muscle spasm knows how uncomfortable and limiting these experiences can be. But when you have spasticity, which causes tight muscles and uncontrollable ...

A muscle cramp is a painful tightness in a muscle due to a sudden, involuntary contraction. Various factors may contribute to muscle cramping, but the underlying cause is often unclear. Muscle cramps ...

A cramp or spasm happens when a muscle contracts involuntarily. It’s a very common sensation that many of us experience from time to time. Because there are several muscles that control the movements ...