Migraine hits one in 10 people, resulting not only in pain but costs the world economy billions.

Migraine sufferers may not realise that drug overuse can be a large part of the problem.

Migraine headaches are often misdiagnosed as sinusitis because of similar symptoms – and sinusitis medication can further aggravate head pain.

Migraines are part of my inheritance — my father gets them and his mother remembered her mother going to bed with "sick headaches".