Epilepsy is a disorder of nervous system that is characterized by recurring epileptic seizure. A seizure is a period of symptoms that happens because of abnormal excessive neuronal activity in the cortex of the brain. It may vary from short to long periods of forceful and uncontrolled shaking movements. Most of the time these movements last for less than two minutes but it takes some time for the person to return to the normal state. Epileptic seizures can cause physical injuries and the patient may sometimes face loss of bladder control. Low blood sugar, alcohol intake, brain infection, or low blood sodium may cause provoked seizures. Unprovoked seizures may happen due to stress or lack of sleep. The cause of epilepsy can be genetic or acquired. An electroencephalogram test helps in finding the source and cause of epilepsy. This book presents researches and studies performed by experts across the globe. It provides comprehensive insights into epilepsy disease, and its diagnosis and treatment. The readers would gain knowledge that would broaden their perspective about this disorder.