is a rare inherited metabolic disorder causing nerve damage in limbs.

is a rare inherited nerve disorder causing peripheral neuropathy and weakness.

is a rare inherited disorder causing body-wide problems and peripheral nerve damage.

is an inherited blood-clotting disorder that raises the risk of clots.

is an inherited condition causing very high cholesterol and early heart disease.

is a rare disorder causing involuntary, excessive body movements.

is a group of uncommon disorders causing very high blood fat levels.

cause significant farsightedness and blurred or distorted vision.

is a rare disorder causing excess parathyroid hormone and high calcium levels.

is an uncommon condition where an overactive thyroid makes too much hormone.

is a genetic heart muscle disease causing heart thickening and stiffness.

is a rare condition where the body makes too little aldosterone.

is a group of rare disorders causing unusually low blood fat levels.

is a rare disorder causing low parathyroid hormone and low calcium.

is a rare disorder affecting hormone control by the hypothalamus or pituitary.

is a rare condition where the thyroid makes too little hormone.

is a rare eye disease affecting the macula and central vision.

is an uncommon disorder where the immune system does not work properly.

are inherited disorders that disrupt how the body breaks down nutrients.

is a rare infection that can cause serious illness, but many recover.

is a group of uncommon conditions that make getting pregnant difficult.

is a rare inflammatory bowel disease affecting the digestive tract.

is a rare autoimmune eye disorder causing corneal inflammation and vision problems.

is a group of disorders causing severe resistance to insulin.