is inflammation of connective tissue that causes pain and stiffness.

is a parasitic liver infection usually caused by contaminated water plants.

is a rare parasitic infection that mainly affects the liver.

is a parasitic intestinal infection caused by a large fluke worm.

is a rare inherited mitochondrial disease causing severe infant brain dysfunction.

is a harmless breast condition caused by damaged fatty tissue.

is a severe inherited heart muscle disease linked to abnormal glycogen buildup.

is a rare inherited brain disease causing worsening insomnia and early death.

is a rare inherited mitochondrial disorder causing severe symptoms in infancy.

is a rare inherited muscle disorder causing severe stiffness and early death.

is a rare inherited metabolic disorder causing severe illness in infancy.

is a severe inherited mitochondrial disorder that disrupts the body's energy production.

is a rare, severe brain disorder that worsens after some viral infections.

is a rare birth condition affecting leg, foot, and sometimes hand development.

is a rare inherited disorder causing worsening movement, vision, and nerve problems.

is a rare inherited disorder affecting energy use, heart function, and ketones.

is a rare inherited disorder affecting fat use and enlarging heart muscle.

is a rare genetic condition affecting brain, vision, and development.

is a reaction in G6PD deficiency that can destroy red blood cells.

is a rare inherited nerve disorder causing worsening face and throat weakness.

is a rare genetic condition causing developmental delay, brain differences, and syndactyly.

is a rare epilepsy syndrome triggered by a fever-related illness.

is a rare genetic condition affecting fingers, toes, head growth, and development.

is a rare genetic condition affecting fingers, toes, head size, and development.