Because
migraine is a very complicated condition we don't yet
fully understand it. Doctors and scientists have found
out that the symptoms
of migraine are caused by changes in the blood
vessels and neurotransmitters
in the brain. However they don't yet know exactly what
causes these changes in certain people at certain times.
There
are some things that we know can cause migraine in some
people and these are called triggers.
Here
is a list of some of the triggers
we know about.
