is a rare disorder causing yellow nails, swelling, and breathing problems.

is a rare, fast-growing cancer usually starting in the ovaries or testes.

is a rare brain tumor arising from primitive germ cells.

is a rare genetic condition affecting brain development, learning, and behavior.

is an inherited nerve disorder causing progressive weakness in hands and feet.

is a rare condition causing blocked sperm transport and chronic sinus-lung problems.

is a form of Parkinson’s beginning before age 50, causing motor symptoms.

is a rare genetic disorder affecting bone development and other body systems.

is a rare genetic condition that affects development, growth, and health.

is a rare inherited muscle disorder that causes progressive weakness.

is an allergy to zebrafish that can trigger immune system symptoms.

is a rare genetic condition causing developmental delays and distinctive facial features.

is a rare inherited disorder causing severe brain, liver, and multi-organ problems.

is a rare genetic condition affecting development, movement, hearing, and vision.

is a mosquito-borne viral illness that usually causes mild symptoms.

is a group of birth defects caused by Zika infection during pregnancy.

is a mosquito-borne viral infection that can cause fever, rash, and aches.

is a rare genetic condition affecting facial features, gums, fingers, and toes.

is a rare skin rash linked to low zinc levels.

is a rare condition causing stomach ulcers from too much acid.

is a rare genetic limb difference affecting finger and toe positioning.

is a rare inherited condition causing fused fingers or toes.

is a rare inherited condition causing unusual finger or toe fusion.

is a rare inherited condition causing webbed or joined fingers and toes.