is a rare, slow-growing throat cancer affecting the voice box lining.

is a viral illness spread by rats that can cause severe disease.

is a rare inherited brain disorder affecting myelin, movement, and development.

is a rare inherited brain disorder causing seizures, vision loss, and decline.

is a bacterial infection that affects the skin, bones, and joints.

is an inherited eye disease that slowly worsens vision over time.

is a rare inherited disorder that damages nerves and brain function.

is a rare disorder causing worsening balance problems and dementia in adulthood.

is a rare inherited disorder causing ammonia buildup, often affecting the brain.

is an inherited muscle disease causing weakness in hands and feet.

is a rare inherited condition causing low aldosterone later in life.

is a rare, harmless skin condition causing yellowish papules in later adulthood.

is a rare disorder causing too little ACTH and adrenal hormone production.

is a rare inherited skin disorder causing blistering and fragile skin.

is a rare inherited disorder causing skin blistering and intellectual disability.

is an inherited kidney disease causing gradual kidney failure, often in adolescence.

is swelling from lymph fluid buildup, usually affecting limbs without organ involvement.

is an inherited eye disease causing progressive vision loss in adulthood.

is a rare inherited muscle disorder causing progressive shoulder and lower-leg weakness.

is an inherited muscle disorder causing weakness, stiffness, and other body problems.

is a slow-developing autoimmune diabetes often first mistaken for type 2.

is a syphilis infection without symptoms, found by blood testing.

is a bladder prolapse caused by weakened sidewall vaginal support.

is when one eye shifts outward from its normal position.