Headaches We rely on our nerves all day, every day, to hold our coffee, type on our computer, and get groceries.

But, although it is rare, these muscles can sometimes work against us. Stiff person syndrome (SPS) is an autoimmune and neurological disorder that can cause the muscles in the back and limbs to fluctuate between stiffness and spasms.
The cause of this extremely rare disease is still unknown. But researchers believe it may be an autoimmune reaction that attacks nerve cells in the central nervous system that control movement.
Richard Nowak, MD, a neurologist at Yale Medical, says, “People with epilepsy can have a wide range of symptoms from mild to severe, and the reaction varies from person to person. to manage the disease is the best way to help themselves.” make sure it comes out. .”