Assertion: epilepsy's cause | /r/HasProperty | idiopathic
Facets:
Source sentences:
text: Seizures may be due to a reason or reactive seizures or may be without cause (idiopathic).
text: Unknown cause (idiopathic epilepsy)
text: There are two main types of seizure based on whether or not they can determine the cause: Idiopathic, or cryptogenic: There is no apparent cause, or the doctor cannot pinpoint one.