Brain

A concussion is an injury to the brain caused by a blow to the head, or by striking the head on another object. It may result in loss of consciousness or confusion, but the effects usually resolve in a few hours or days. This video explains what happens during a concussion, how it should be treated, and what preventive steps to take.

Epilepsy is a seizure disorder that affects thousands of adults and children. A seizure is when the brain has a burst of abnormal electrical signals over a short period of time. These signals cause the body and brain to react in certain ways. This video discusses the causes of epilepsy and what treatments are available.

Cluster headaches are uncommon, but when they occur, they bring on severe head pain. The pain is constant, focused in and around one eye. This video discusses the possible causes of this type of headache and recommended treatments.

Migraine headaches are intense, recurrent headaches that may occur at any age but usually begin between the ages of 10 and 30 years. The precise cause is unknown, but it is hereditary in up to 80 percent of cases. This video gives additional details about migraines, including their symptoms and effective treatments.

Brain aneurysms can cause bleeding in the brain. Bleeding in the brain is called a stroke, and stroke can cause serious health problems. Watch and learn about the symptoms of brain aneurysm and how it is repaired.