Cause of a Migraine – Migraines and Depression
Could depression be a cause of a migraine or is it the case that suffering from migraines is the cause of depression? People who suffer from migraine headaches are five times more likely to develop clinical depression than those who do not. On the other hand those who suffer from depression are three times more likely to become migraine sufferers.
This intertwining of depression and migraine is viewed by many scientists as a chicken and egg situation. Which came first? The two are obviously co-morbid but does one really cause the other and if so which one? There is no simple answer. Migraine, depression and not surprisingly insomnia, which is associated with both these conditions, have in common that they are all associated with neurotransmitter, or serotonin, deficiencies in the brain.
Depression and migraine headaches are thought by doctors to be related even though they both have clear causes with related neurobiology. For many years doctors thought the resultant loss of quality of life experienced by migraine sufferers was a result of depression brought on by the debilitating effect of the headaches. The link now between the two is thought to be a shared biological mechanism as opposed to psychological. (more…)