Stiff-person syndrome (SPS), also known as, Moersch-Woltman syndrome, is a rare disease and is characterized by progressive muscle stiffness. According to Rarediseases.org, SPS is an acquired ...

Brianna Lafferty, a 33-year-old woman from Colorado, suffers from a neurological disorder that nearly took her life. She was ...

Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp. Muscle spasms are common and typically don't signal a severe health ...