SUNDAY, Sept. 14, 2025 (HealthDay News) — Everyone gets headaches, but not all headaches are the same.

For some, they’re a quick inconvenience. For others, they can be intense, long-lasting and even disabling, disrupting daily life for days or weeks.

Experts say finding the right treatment depends on identifying the type of headache and understanding what triggers it.

“We define chronic headache as having more than 15 headache days per month. So, more days with headache than not,” Michael Oshinsky , a pain expert at the National Institutes of Health (NIH), told its monthly newsletter News In Health .

The most common kind is a tension-type headache, often linked to stress , lack of sleep, dehydration or poor posture. Pain usually feels mild to moderate and affects both sides of th

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