is an autoimmune disorder that inflames the optic nerves and spinal cord.

is a rare autoimmune condition that inflames optic nerves and spinal cord.

is a rare autoimmune disorder affecting the optic nerves and spinal cord.

is a rare genetic disease causing progressive neurodegeneration, seizures, and vision loss.

is a rare birth condition affecting intestinal nerves and bowel function.

is a rare nerve disorder of the bowel causing severe constipation.

is a rare nerve disorder causing severe problems moving food through intestines.

is a rare progressive disorder affecting the brain, nerves, and body.

is a growth in nerve tissue that can affect brain function.

is inflammation of a nerve that can cause pain or weakness.

is a genetic disorder affecting the brain, eyes, heart, and genitourinary system.

is nerve damage causing pain, numbness, weakness, usually in feet and hands.

causes nerve damage and hearing loss, with symptoms varying by person.

is a rare inflammatory disease affecting the brain, nerves, or spinal cord.

is a parasitic infection affecting the brain or spinal cord.

is an older term for anxiety-related mental health conditions.

is a mental health condition causing repeated skin picking and sores.

is a rare eye condition causing reduced corneal sensation and poor healing.

is a rare eye disease causing reduced corneal feeling and poor healing.

is an abnormal tangle of blood vessels affecting the brain or spine.

is a rare inherited disorder causing fat buildup in cells.

is a rare inherited disorder causing scaly skin and fat buildup.

is a rare genetic muscle disorder causing fat buildup and weakness.

is a low neutrophil count that raises the risk of infections.