Nisshaa was diagnosed with epilepsy when she was six and dystonia at 17. Nisshaa had dystonia when she was six years old but her doctors failed to identify at a young age. Dystonia is rare in Malaysia and it’s new to some doctors. Dystonia is a movement disorder that causes involuntary muscle contractions, while epilepsy is a neurological disorder in which brain activity becomes abnormal, causing seizures, among others. Read more.