Conditions list medically reviewed by George Krucik, MD, MBA
A head injury is an injury to your brain, skull, or scalp. All head injuries should be treated seriously and assessed by a doctor. Get the facts about 6 major types.
A stroke is a medical emergency that requires immediate medical care. Learn about the signs of a stroke and what to do.
Parkinson's disease (PD) is a progressive neurological disorder. It first presents with problems of movement. Smooth and coordinated muscle movements of the body are…
Concussions can cause serious symptoms that require medical treatment. A concussion is a traumatic brain injury that results in an altered mental state.
Hypovolemic shock (hemorrhagic shock) is a life-threatening condition that results when you lose more than 20 percent of your body's blood or fluid supply, preventing…
Cerebral palsy is a group of disorders that affect muscle movement and coordination. Learn about the causes, types, symptoms, and treatment of cerebral palsy.
Amyotrophic lateral sclerosis (ALS) is a degenerative disease that affects the brain and spinal cord. It causes loss of control of voluntary muscles.
A brain tumor is the growth of abnormal cells in your brain. Whether the growth is cancerous or not, any brain tumor is serious. Symptoms can include both cognitive and…
The things you've wanted to know about MS are all in one place. Learn more about symptoms, treatment, and lifestyle management.
Carotid stenosis is a narrowing or blockage of the carotid arteries, which carry blood to your brain. If blood flow to your brain is interrupted, a stroke occurs.
Alcohol use disorder, or alcoholism, is an addiction to alcohol. Here's what you need to know about symptoms, treatment, prevention, and more.
Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.
One of the nine types of muscular dystrophy, Duchenne muscular dystrophy (DMD) is a genetic condition characterized by progressive weakening of voluntary muscles that…
Wernicke-Korsakoff syndrome is a brain disorder caused by a lack of vitamin B-1. The syndrome is two separate conditions that can occur at the same time.
Creutzfeldt-Jakob disease is an infectious disease that causes the brain to degenerate. Learn about causes, symptoms, and its connection to "mad cow disease."
Kuru is a neurological disease contracted through cannibalism of the dead during funeral rites. Read more on this rare disease.
Peripheral neuropathy is a disorder that occurs when your peripheral nerves malfunction because they're damaged.
Syphilis is a sexually transmitted infection caused by a type of bacteria known as Treponema pallidum. Syphilis can be challenging to diagnose.
Neuroblastoma is a rare cancer that affects the sympathetic nervous system, usually in young children. Learn about the symptoms and treatment options.
Guillain-Barré syndrome is a rare but serious autoimmune disorder. We'll teach you about its symptoms, such as tingling, and ways to manage the condition.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.