is a genetic tendency to need lower warfarin doses, raising bleeding risk.

is a rare inherited disorder that affects the body's energy production.

is a rare inherited disorder affecting growth, brain development, and hearing.

is a rare inherited condition causing immune problems, lymphedema, warts, and dysplasia.

is a rare, noncancerous skin growth usually appearing as a single bump.

is a rare, usually benign gland tumor, often involving the parathyroid.

is a life-threatening condition causing adrenal gland failure and severe bleeding.

is a rare genetic condition affecting heart, growth, and skin.

is a rare genetic overgrowth syndrome with rapid growth and developmental delays.

is a rare genetic condition affecting growth, development, and distinctive facial features.

is a rare genetic condition causing short stature, eye, and joint problems.

is a rare skeletal disorder causing bowed legs and thickened bones.

is a rare genetic condition affecting bone growth, facial development, and hearing.

is a rare lung cancer that resembles developing fetal lung tissue.

is a slow-growing cancer of fat tissue that rarely spreads.

is a rare cancer in the thymus that can grow slowly.

is a rare inflammatory skin condition causing recurrent itchy, swollen patches.

is a rare genetic disorder causing accelerated aging and age-related diseases.

is a serious brain disorder caused by severe thiamine deficiency.

is a serious brain disorder caused by severe vitamin B1 deficiency.

is a mosquito-borne viral infection that can cause fever and neurologic illness.

is a viral brain infection spread mainly through infected mosquito bites.

is a rare mosquito-borne viral infection that can inflame the brain.

is a serious thiamine deficiency that mainly affects the heart.