Such a good little wife, repeated the patronising potentate, again patting my hand with an air of understanding all about it, really an excellent little wife. View in context These potentates had two principal anxieties: the one, that no foreigner should enter Italy under arms; the other, that none of themselves should seize more territory.
One leading theory for the cause of migraines is âcortical spreading depression.â This wave of brain activity that sweeps over the brain, can be seen on an MRI and is blamed for migraine aura and other migraine symptoms. Others believe hyperactivity in the brain stem causes migraines. Because migraines are difficult to control, many people with this disorder often take medication regularly. Overuse of medication can also lead to migraines.
Weather and Other Migraine Triggers. In a survey by the National Headache Foundation, headache sufferers were given a list of 16 possible triggers. They then were asked to rank them in terms of what commonly brought on their migraines and other headaches. Three out of every four respondents said that weather triggered their headache pain. Specific weather triggers include: 1  Changes in humidity. 2  Changes in temperature. 3  Storms. 4  Extremely dry conditions.