is a rare inherited disorder causing sensorineural hearing loss and ovarian insufficiency.

is a genetic disorder causing parkinsonism, depression, weight loss, and breathing problems.

is a chronic multisymptom illness affecting some veterans after Persian Gulf service.

is a movement disorder causing ongoing muscle contractions and abnormal postures.

is a leftover fetal heart structure that is usually harmless.

is a serious newborn condition causing blood to bypass the lungs.

is a rare birth defect affecting the aorta and blood flow.

is long-lasting swelling of lymph nodes in several areas of the body.

is a rare eye condition where fetal eye tissue remains after birth.

is chronic facial pain without a clear underlying cause.

is a rare heart vein difference that can affect blood flow.

is a rare vein variation that can affect heart blood flow.

is a long-term asthma type with mild but recurring breathing symptoms.

is a long-term lung condition causing ongoing asthma symptoms and flare-ups.

is a rare genetic condition causing uterus and fallopian tubes in males.

is a rare eye condition that can cause lasting central vision loss.

is a rare blood condition with too many noncancerous B cells.

is a long-term asthma type with severe, hard-to-control breathing symptoms.

is a mental health condition affecting thoughts, emotions, behavior, and relationships.

is a highly contagious bacterial infection that causes severe coughing fits.

is a neurodevelopmental condition affecting communication, behavior, and social interaction.

is inflammation of inner knee tendons or bursa (fluid-filled sac) causing pain.

is a rare eye condition causing cloudy corneas and vision problems.

is a rare genetic disorder causing eye problems and developmental differences.