Conditions list medically reviewed by George Krucik, MD, MBA
A stroke is a medical emergency that requires immediate medical care. Learn about the signs of a stroke and what to do.
Concussions can cause serious symptoms that require medical treatment. A concussion is a traumatic brain injury that results in an altered mental state.
A transient ischemic attack (TIA) occurs when there's a sudden lack of blood flow to your brain. Learn about TIA symptoms, treatment, and prevention.
Find out what you need to know about dementia, and learn how it's different from ordinary aging.
Encephalitis is inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can also cause encephalitis.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.