Epilepsy (also called a seizure disorder) is a common but chronic neurological disorder with recurrent unprovoked seizures. Epileptic seizures are reported to be signs and symptoms caused by abnormal activity in the brain. It is estimated that around 50 million people around the world have epilepsy. Epilepsy is controlled by drugs but not cured although surgery may be considered in some cases. Sites listed here offer official information advice and facts plus diagnosis details, symptoms, causes and available treatments.