Epilepsy is a generic term used to define a variety of seizure disorders.
A person with recurring seizures is said to have epilepsy. A seizure is a disturbance in the electrical activity of the brain. About 2,500,000 people in the U.S. have some form of epilepsy. Thirty percent of them are children under the age of 18. A large number of children and adults have undetected or untreated epilepsy.