This is obvious to people that get migraines – the head hurts, a lot – but now scientists may be on the road to finding out what migraine is. A Neurology study, by scientists at Massachusetts General Hospital in Boston, have discovered that sensory areas of the brains’ cortex is thicker in people who develop migraines. The somatosensory cortex area of the brain is up to 21% thicker in migraine sufferers. And it may be that this difference makes people hyper-sensitive to pain in general. It is not yet clear whether the difference causes, or is the result of migraine attacks. But if it is the latter then any action to reduce migraines will have a positive feedback effect, by slowing the thickening of the cortex.
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