This article is from the Epilepsy FAQ, by Andrew Patrick (firstname.lastname@example.org) with numerous contributions by others.
Virtually everyone can have a seizure under the right circumstances.
Each of us has a brain seizure threshold which makes us more or less
resistant to seizures. Seizures can have many causes, including brain
injury, poisoning, head trauma, or stroke; and these factors are not
restricted to any age group, sex, or race and neither is Epilepsy.