is a rare genetic disorder causing low infection-fighting cells and hearing loss.

is an immune disorder where neutrophils cannot properly fight infections.

is a very rare condition that can affect skin, eyes, and growth.

is a genetic disorder causing multiple basal cell skin cancers, jaw cysts.

is an inherited condition that raises the risk of basal cell cancers.

is a rare disorder causing blackhead-like skin lesions and other birth differences.

is a benign bluish-gray skin patch caused by extra pigment cells.

is a usually harmless blue-brown birthmark affecting skin around one eye.

is a severe, sudden epilepsy syndrome causing prolonged seizures resistant to treatment.

is a breathing problem in premature babies caused by immature lungs.

is a viral infection that mainly affects birds and rarely humans.

is an inherited retinal disorder causing worsening central and color vision loss.

is a rare asthma trigger caused by allergic reactions to nickel.

is a skin rash caused by contact with nickel.

is a rare genetic condition causing developmental delay, seizures, intellectual disability.

is addiction to nicotine from tobacco or vaping, driving cravings and withdrawal.

is a rare inherited disorder that causes harmful fat buildup in cells.

is a rare inherited disorder causing harmful fat buildup in organs.

is a rare inherited disorder causing harmful fat buildup in organs.

is a rare inherited disorder causing harmful lipid buildup in cells.

is an inherited disorder causing progressive brain and nerve problems in adulthood.

is an inherited disorder causing harmful fat buildup and progressive neurologic problems.

is an inherited disorder causing lipid buildup and progressive childhood neurologic problems.

is a rare lysosomal lipid trafficking disorder causing severe, progressive infantile neurodegeneration.