Investigations into migraine genetics have suggested that susceptibility loci exist on the X
chromosome. These reports are supported by evidence that demonstrates male probands …

The article presents a review of studies on the link between sleep disorders and headaches.
A US study indicated that the adult participants aged 18 years or older who reported severe …

The purpose of this study was to evaluate whether a particular genotype of the dopamine D2
receptor (DRD2) gene would affect the clinical features of migraine. In a group of 118 …

Migraine is a paroxysmal neurological disorder affecting up to 6% of males and 18% of
females in the general population, and has been demonstrated to have a strong, but …

Migraine is a common idiopathic primary headache disorder with significant mental, physical
and social health implications. Accompanying an intense unilateral pulsating head pain …

Cluster headache (CH), a primary neurovascular headache syndrome, is characterized by
recurrent, unilateral, short-lasting attacks of excruciating pain in the temporal and/or orbital …

Genetic epidemiological twin studies have demonstrated a significant heritability for
migraine, with> 60% of liability to migraine either with or without aura coming from additive …

(Headache 2010; 50: 109‐116) Background.—The group of catecholamines, which include
dopamine, adrenaline, and noradrenaline, are neurotransmitters which have been …

Norepinephrine is frequently elevated in postural tachycardia syndrome (POTS), a
syndrome of heterogeneous etiology characterized by a> 30 beats/min increase in heart rate …