A disorder in which nerve cell activity in the brain is disturbed, causing
seizures. Epilepsy may occur as a result of a genetic disorder or an
acquired brain injury, such as a trauma or stroke. During a seizure, a
person experiences abnormal behaviour, symptoms and sensations, sometimes
including loss of consciousness. There are few symptoms between seizures.
Epilepsy is usually treated by medication and in some cases by surgery,
devices or dietary changes.
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