Rheumatoid arthritis (RA) is on the rise. In fact, a recent global study in Lancet Rheumatology predicts that RA cases are expected to increase by more than 80 percent over the next 26 years. And ...

Spastic cerebral palsy is a disorder that involves muscle stiffness. Symptoms and signs may include difficulty walking, trouble manipulating objects, and vision, hearing, or speech challenges.

Meniscus tears are among the most common knee injuries seen in athletes, often caused by sudden twisting or high-impact ...

A stiff neck and sore throat can occur together for many reasons, often due to an infection. Symptoms are typically acute ...

Celine Dion knew something wasn’t right with her body for more than a decade before she received a diagnosis. In a May 23 interview with Vogue, the singer, who now knows she has stiff person syndrome, ...

Neurologist Dr. Priyanka Sehrawat advises against ignoring certain headaches, as they could signal serious underlying issues.