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.
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.
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 transient ischemic attack (TIA) occurs when there's a sudden lack of blood flow to your brain. Learn about TIA symptoms, treatment, and prevention.
Reye's syndrome is a rare condition that strikes without warning. It most often affects children ages 4 to 12 who are recovering from a viral infection.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.