Headache, one of the most common disorders of the nervous system, includes migraine, tension headache, cluster headache and medication-overuse headache. Here’s what you need to know.
- Experts estimate that half of the adult population experienced a headache at least once in the past year; among those people, 30 percent reported a migraine headache.
- Between 1 and 2 percent of the world’s adult population experience headaches with alarming frequency—15 or more days every month.
- Migraine headaches often begin at puberty and mostly affect those between the ages of 35 and 45.
- Migraine is the eighth most disabling disorder in the world, costing American employers more than $13 billion each year as a result of lost work days.