It has long been held, almost as an axiom, that one seizure is not epilepsy but two or more are. For this definition of epilepsy to have any real practical importance it must be shown that the implications of multiple seizures are significantly different from those of a single seizure. A long term follow up study of children in New York has supported this definition (Shlomo Shinnar and colleagues. Annals of Neurology2000;48 …