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Incomplete circle of Willis can be the reason behind migraine
A migraine, which is a severe painful headache, the pain is throbbing or pulsing and its a one sided pain. But, till date there is no treatment for this problem. But, now a new study has came up with a new concept that explains the reason behind this pain.

The study, which was conducted by Perelman School of Medicine at the University of Pennsylvania, found that the adults who have incomplete network of arteries supplying blood flow to the brain, are the victims of this migraine. The variations in arterial anatomy lead to asymmetries in cerebral blood flow, and this might be the reason behind the process of triggering migraines.

Study researcher Dr. Brett Cucchiara, M.D., associate professor of neurology at the University of Pennsylvania Perelman School of Medicine, explained that, “These differences seem to be associated with changes in blood flow in the brain, and it's possible that these changes may trigger migraine which may explain why some people, for instance, notice that dehydration triggers their headaches,” reported Huffington post.

This study was published in journal PLOS ONE, and it included 170 people. The study mainly concentrated on 'circle of Willis' (system of arteries which are responsible for delivering blood to the brain). The researchers observed that, those who have incomplete circle of Willis had chances of getting migraine.

Dr. John Detre, M.D., a professor of neurology and radiology at the university, and senior author of the study, said “Abnormalities in both the circle of Willis and blood flow were most prominent in the back of the brain, where the visual cortex is located. This may help explain why the most common migraine auras consist of visual symptoms such as seeing distortions, spots, or wavy lines.”

There are many studies that have shed light on the probabilities of getting migraine. This is a very heterogeneous problem, and there are many factors which triggers the pain, like in some people not eating causes it, in some sleeplessness causes this. So its very difficult to get a treatment to it, says Dr. Praveen Gupta, Head of Neurology at Artemis Hospital, Gurgaon to the Citizen Journalist .

Mr. Gupta also said that, “there are many researches on migraine going on nowadays, as it has became a chronic disorder and almost 18 to 20 percent people are suffering with it. But every research cannot be translated into treatment. It is a very heterogeneous problem, and these researches only helps in making the pathophysiology of the problem more clearer.” And according to him, more three to five years of research is required to get a treatment for migraine.

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