is bone damage caused by pressure changes, mainly affecting divers.

is an inherited disorder causing high cholesterol, triglycerides, and early heart disease.

is a learning difference that makes understanding numbers and math harder.

is a rare genetic disorder causing short stature, wrist changes, and nephritis.

is a genetic skin disorder causing mottled light and dark spots.

is a rare inherited skin condition causing mixed light and dark spots.

is a rare, usually benign brain tumor that often causes seizures.

is a rare inherited disorder causing poor balance and developmental delays.

is an inherited muscle disease causing progressive hip and shoulder weakness.

is a rare immune disorder causing abnormal antibody levels and frequent infections.

is a rare ovarian germ cell tumor that is often treatable.

is a rare ovarian germ cell cancer that often affects younger people.

is an inherited thyroid disorder causing goiter from reduced hormone production.

is a rare inherited telomere disorder with marrow failure and mucocutaneous changes.

is a swallowing disorder caused by abnormal movements of the esophagus.

affects movement, causing involuntary motions, muscle changes, and coordination problems.

causes persistent difficulty with reading and spelling despite typical intelligence.

is a genetic disorder causing cleft palate, loose skin, and facial differences.

is a genetic syndrome causing facial differences, hearing loss, and heart defects.

is a rare genetic condition affecting facial features, chest shape, and joints.

is a rare condition causing short stature, deafness, and sex development differences.

is a rare genetic bone disease causing overly dense, fragile bones.

is a genetic bone disorder affecting how bones and joints develop.

is a genetic bone development disorder that affects how the skeleton forms.