Brain and Nervous System Medical Reference

What you should know about the progressive brain disorder Huntington's disease, including how it progresses, what to expect, and how to live with it.

WebMD explains the causes, symptoms, and treatment of vertigo, a sensation of spinning that is related to problems with the inner ear.

WebMD explains the symptoms and treatment of Chiari malformation, a type of birth defect that can cause problems with balance and coordination.

Learn the causes, symptoms, and treatment of cavernous sinus thrombosis -- a life-threatening blood clot caused by infection.

The brain-eating amoeba is a single-celled organism that usually lurks in warm freshwater bodies like lakes and rivers. If the amoeba enters your body through your nose, it can cause a rare, yet deadly infection in your brain.

What causes memory loss? Learn more from WebMD about various reasons for forgetfulness and how it may be treated.

Have you ever noticed smells that no one else around you can? Your nose isn’t playing tricks on you. You may have a smell disorder called phantosmia.

WebMD discusses what anosmia is and its symptoms, causes, and treatments.

WebMD explains post-concussion syndrome, including causes, symptoms, and treatments.

WebMD explains serotonin syndrome, a potentially fatal condition that is triggered by too much nerve cell activity.

WebMD explains categories of brain disease, including those caused by infection and trauma and those caused by vascular, neurodegenerative, and autoimmune disorders.

WebMD discusses the causes, symptoms, and treatments of acoustic neuroma, a benign tumor in the ear area.

WebMD discusses the symptoms, causes, and treatments of subdural hematoma.

What causes foot and hand tingling? WebMD investigates and provides the facts.

Cochlear implants are surgically implanted devices for people with severe or profound hearing loss. Get the facts on cochlear implants and how they work.

WebMD explains the various types of dystonia, a disorder that causes involuntary muscle contractions, along with their causes, symptoms, and treatments.

WebMD explains the many causes of brain swelling - from traumatic injury to stroke - along with symptoms to look out for and treatments to bring down the pressure.

Tic disorders involve sudden, repetitive movements or sounds. Examples include Tourette syndrome, characterized by multiple motor and vocal tics.

WebMD explains the causes, symptoms, and treatment of nerve pain and nerve damage.

WebMD explains various types of coma -- what causes them, how they are treated, and the prognosis for a person in a coma.

WebMD explains common causes of brain lesions, along with their symptoms, diagnoses, and treatments.

WebMD examines common causes of brain damage, along with types, symptoms, diagnosis, and treatments.

WebMD explains the neurological condition apraxia -- with a focus on apraxia of speech. Find out about the symptoms, what causes it, what tests are used to diagnose it, and its treatments.

WebMD explains the causes, risk factors, symptoms, and treatment of a brain hemorrhage.

Learn more from WebMD about concussions, including symptoms, causes, treatment, and prevention.

Aphasia is a communication disorder that can affect your speech, writing, and ability to understand language. Here’s a look at what causes it, diagnosis, and treatment options.

WebMD explains the symptoms of peripheral neuropathy.

Meningitis can be a very serious illness. The experts at WebMD answer basic questions about the causes, symptoms, treatment and prevention of the disease.

WebMD explains how to spot symptoms of meningitis, a disease that can be fatal.

Hypopituitarism is a condition in which the pituitary gland (a small gland at the base of the brain) does not produce one or more of its hormones or not enough of them.

Normal pressure hydrocephalus(NPH) is a neurological disorder caused by too much fluid pressing on the brain. WebMD explains causes, symptoms, and treatment options.

Learn more about what causes gait disorders and how to manage them.

Stress can worsen essential tremor. WebMD explains the warning signs of stress and how to minimize its effects on you.

WebMD gives you tips for living with essential tremor.

WebMD explains how essential tremor is diagnosed.

Stereotactic thalamotomy, a brain surgery that destroys the thalamus, is used to treat essential tremor when all other treatment options have failed. WebMD tells you more.

Deep brain stimulation (DBS) is used to treat a number of movement disorders, including essential tremor. WebMD tells you more.

WebMD explains the symptoms, possible causes, and treatment of essential tremor, common movement disorder that causes uncontrollable shaking in the upper extremities.

A look at the causes, symptoms and treatment of this condition, in which muscles are continuously tight or stiff.

WebMD corrects some of the misconceptions about mad cow disease and its risk to humans.

WebMD explains the diagnosis and treatment of myasthenia gravis.

Get the basics on myasthenia gravis from the experts at WebMD.

WebMD explains the symptoms of myasthenia gravis, a disease marked by muscle weakness.

Understand the symptoms of fainting from the experts at WebMD.

If you are prone to fainting, follow some of these preventive measures from the experts at WebMD.

Understand the basics of fainting and blacking out from the experts at WebMD.

From symptoms to treatment to prevention, get the basics on tetanus from the experts at WebMD.

WebMD explains how your doctor will determine the cause of your fainting, and what to do if someone nearby faints.

From symptoms to treatment to prevention, get the basics on tetanus from the experts at WebMD.

From symptoms to treatment to prevention, get the basics on tetanus from the experts at WebMD.