Could you tell me what are most of the things that cause seizures?

Depends: Causes of seizure vary by age. In children, genetic causes of epilepsy and any condition that changes the structure of the brain or the chemistry of the body can cause seizures. In the developing world, the most common cause of seizure in adults is infection by neurocysticercosis. In older people, the most common cause of seizure is stroke. Head injury is another important cause at all ages.

Multiple: Causes of epilepsy include: head trauma, brain infection, stroke, brain tumor, genetics, and brain hemorrhage. Causes of seizures may also include drugs, alcohol, medications, and stopping anti-seizure medications.