Stroke Symptoms That May Appear 90 Days Before an Attack

3. Persistent or Unusual Headaches

Not every headache is a warning sign.
But a specific type can be:

“Thunderclap” headaches

A severe headache that comes on suddenly and feels unlike anything a person has felt before.

Chronic new headaches

Headaches that last for days or weeks and feel different from normal migraines.

These can signal early problems in blood vessels that increase stroke risk.

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