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What is Leukodystrophy?

Leukodystrophy isn’t just one disease; it’s actually a group of diseases that affect the central nervous system. While every leukodystrophy is diff...

Hydrocephalus

Hydrocephalus -- which roughly means “water on the brain” -- is the buildup of fluid in the cavities (ventricles) deep within the brain. The long-t...

Huntington's Disease

Huntington's disease (HD) is a hereditary and deadly disorder that causes nerve cells in the brain tobreak down. If you have a parent with Huntingt...

Brain and Essential Tremor

Essential tremor is the most common movement disorder, affecting up to 10 million people in the U.S. ET can happen at any age, but it most often ap...

What is Empty Sella Syndrome?

Most people who have ESS don’t have any signs of it. In a small number of people, the sella turcica is shaped in such a way that spinal fluid can l...

Dystonia: Causes, Types, Symptoms, and Treatments

Dystonia is a movement disorder in which a person's muscles contract uncontrollably. Dystonias that start in early adulthood remain focal or segmen...

Why Am I Dizzy?

Many parts of your body -- including your eyes, brain, inner ear, and nerves in your feet and spine -- work together to keep you balanced. Most peo...

Concussion

The most common and least serious type of traumatic brain injury is called a concussion. Though you may have a visible cut or bruise on your head, ...

Chiari Malformation

Chiari malformations are structural defects in the cerebellum. In this type, the lower part of the cerebellum -- but not the brain stem -- extends ...

Brain Lesions: Causes, Symptoms, Treatments

Brain lesions can be caused by injury, infection, exposure to certain chemicals, problems with the immune system, and more. Here are some common br...

Brain Aneurysm

A brain aneurysm, also known as a subarachnoid hemorrhage (SAH), is a weak spot in the wall of a blood vessel inside the brain. Aneurysms tend to f...

What is Basal Ganglia Calcification?

Basal ganglia calcification is a very rare condition that happens when calcium builds up in your brain, usually in the basal ganglia, the part of y...