The timing of migraine pain is not linked to vasodilation.1 The fact that vasodilatation in the absence of neurogenic inflammation is not painful makes it clear that vasodilatation is not sufficient, and may not be necessary, for migraine pain.

Although tension-type headache (TTH) is the most common type of primary headache, its pathophysiology is poorly understood.

This article proves conclusively that there is no scientific basis for the International Classification of Headache Disorders (ICHD) criteria for the diagnosis of migraine (MI).

In this article, four possible mechanisms are discussed by which migraines and ischaemic strokes may be related. Read the article to find out the four possible mechanisms.

In this article we discuss vascular changes being unrelated to the phase of a attack in a migraine.