_______ also known as a seizure disorder, is a brain condition that causes recurring seizures.

Correct option is A

Epilepsy is a chronic neurological disorder characterized by recurrent seizures. These seizures are caused by abnormal electrical activity in the brain.
Explanation of each option:
· (a) Epilepsy – Correct. Epilepsy is a neurological disorder that causes unprovoked, recurring seizures.
· (b) Stroke – Incorrect. A stroke is a medical condition caused by a sudden disruption of blood flow to the brain, which is different from seizures caused by epilepsy.
· (c) Flurosis – Incorrect. Flurosis refers to a condition caused by excessive fluoride intake, affecting the teeth or bones, not seizures.
· (d) Cancer – Incorrect. Cancer refers to uncontrolled cell growth and is not associated with recurrent seizures.