Migraine is a headache characterized by recurren painful
headache that are moderate to
severe.Typically, the headaches affects one half of the head, are pulsating in
nature, and lasts from two to 72 hours. Associated
symptoms may includenausea, vomiting,
and sensitivity to light, sound, or smell. The pain is generally made worse by
physical activity.Up to one-third of people have an. typically a short period of visual
disturbance which signals that the headache will soon occur. Occasionally, an
aura can occur with little or no headache following it.
Migraines
are believed to be due to a mixture of environmental and genetic factors. About
two-thirds of cases run in families changing hormone levels may also play a
role, as migraines affect slightly more boys than girls before puberty and two to three times more
women than me. The risk of
migraines usually decreases during pregnancy.
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