Biology

A migraine is not a degenerative disorder of the nervous system. It is a neurological condition that causes severe headaches, sensitivity to light and sound, nausea, and sometimes visual disturbances (auras). Migraines are typically caused by abnormal brain activity, blood vessel changes, and neurotransmitter imbalances, but they do not progressively damage the nervous system.

The other options are degenerative disorders:

Dementia – A general term for a decline in cognitive function, including memory loss, reasoning, and problem-solving. It results from progressive brain damage and is common in conditions like Alzheimer's dis...