Health Information Library

Persistent pain that lasts weeks to years.

Chronic arm or leg pain developing after injury, surgery, stroke, or heart attack.

A pocket of pus in a tooth caused by an infection.

A disorder characterized by the presence of 2 or more distinct personality states.

A genetic condition causing intellectual disability.

An eating disorder causing people to obsess about weight and what they eat.

Sudden weakness in the muscles on 1 side of the face.

A mental disorder marked by emotional instability and severely distorted self-image.

A condition in which the lungs' airways become damaged, making it hard to clear mucus.

Any condition that damages the sheath that protects the brain and spinal nerves.

Short height that results from a genetic or medical condition.

A condition in which the tongue swells, changes color, and looks smooth.

A sleep disorder that can affect those who travel quickly across multiple time zones.

Illness caused by motion during travel.

A severe mental condition in which someone pretends to be sick for no obvious reason.

A group of symptoms that develops in some people who have cancer.

Disease of the gums and tissue that support the teeth.

Infection that inflames air sacs in 1 or both lungs, which may fill with fluid.

A disorder in which a child becomes excessively anxious when separated from parents.

A nervous system disorder involving repetitive movements or unwanted sounds.