Conditions list medically reviewed by George Krucik, MD, MBA
Hypoglycemia, or low blood sugar, is a potentially dangerous condition that's most common in people with diabetes. Learn what causes it and how to prevent it.
A stroke is a medical emergency that requires immediate medical care. Learn about the signs of a stroke and what to do.
Seizures are changes in the brain's electrical activity. This change can cause dramatic, noticeable symptoms or it may not cause any symptoms. The symptoms of a severe…
Alzheimer's disease (AD), the most common cause of dementia, is a progressive brain disorder. Learn about the causes, signs and research being done about AD.
Encephalitis is inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can also cause encephalitis.
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…
Learn about the symptoms, causes, risk factors, and treatment for neurocognitive disorders (formerly called organic brain syndrome).
Epilepsy is a chronic disorder that causes unprovoked, recurrent seizures. Find out what causes it, who's at risk, how it's diagnosed, and more.
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.
Night terrors are a form of sleep disorder in which a person partially awakens from sleep in a state of terror.
Bacteria cause Whipple's disease. This disease can make it difficult for your body to absorb nutrients. Learn about its symptoms.
Huntington's disease is a hereditary condition in which your brain's nerve cells gradually break down. It can cause physical and psychological symptoms.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.