In this mental health condition, people can't resist urges to pull out hair from their body. They do this often. Therapy may help reduce or stop urges.
Disease
Epilepsy
Learn about this condition that causes seizures. Find out which symptoms are associated with different types of seizures and how they're treated.
Disease
Post-polio syndrome
This syndrome causes a number of potentially serious symptoms that appear decades after the polio virus.
Disease
Exercise headaches
Learn about the causes and treatments of this puzzling disorder.
Disease
Patellofemoral pain syndrome
This pain at the front of the knee is more common in people who run and who play sports that involve running and jumping.
Disease
Bone spurs
Joint damage due to osteoarthritis is the most common cause of these bony growths.
Disease
Amyotrophic lateral sclerosis (ALS)
This progressive nervous system disease, also known as Lou Gehrig's disease, destroys nerve cells.
Disease
Pediatric brain tumors
Pediatric brain tumors include medulloblastoma, glioma, embryonal tumor, germ cell brain tumor, spinal cord tumor, craniopharyngioma and pineoblastoma.
Disease
Neuromyelitis optica
Understand more about this condition that affects the spinal cord and eye nerves and is sometimes mistaken for multiple sclerosis.
Disease
Radiation sickness
Read about what happens when someone is exposed to high doses of radiation, and what you can do to prevent such exposure in an emergency.
Disease
Pulmonary hypertension
This lung condition makes the heart work harder and become weak. Changes in genes and some medicines and diseases can cause it. Learn more.
Disease
Metatarsalgia
With this condition, the ball of the foot becomes painful and irritated. Learn about the causes, treatments and prevention of this injury.