Pakistan, April 8 -- Migraine is a neurological disorder and it differs from garden-variety headaches. People are likely to suffer from migraine if they have had at least five headache attacks in their lives, each lasting between four and 72 hours, and if the pain fulfils two out of these four criteria: It throbs or pulsates; it is on one side of the head; it is moderate to severe; it gets severe with activity. Also, these attacks cause either nausea or sensitivity to light and sound. Common migraine triggers include stress, too much or too little sleep, caffeine, alcohol, weather changes, certain foods, dehydration, light and particular smells.

Headache disorders, including migraine, consistently rank among the leading causes of disabil...