Answer:
Conditions that might cause nonprimary chronic daily headaches include: Inflammation or other problems with the blood vessels in and around the brain, including stroke. Infections, such as meningitis. Intracranial pressure that's either too high or too low.
Headaches can have causes that aren't due to underlying disease, examples include lack of sleep, an incorrect eyeglass prescription, stress, loud noise exposure, or tight headwear (:
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