9
You will have a feeling of sickness in the stomach,and sometimes you may see flashes of light shortly before migraines attack.
Causes of headaches
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Even though the exact causes of a headache are not clear,most of them are caused by the widening of blood vessels(血管)combined with chemicals that are set free around them.Nerves send pain messages to your brain.There are many factors that can lead to a headache,such as lack of sleep,stress,smoking or watching TV for a long time.
11
How to fight off headaches
Pain relievers(止痛剂)and other drugs are often used to ease headaches.Many people take aspirin when they have a headache.Doctors also suggest that patients should relax when they experience a headache.In some cases,changing your diet may result in relieving pain and weakening headaches.
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This may not make headaches disappear completely but it can help make you feel better.
A.Types of headaches
B.Warning signs of migraine sufferers
C.They can last as long as a couple of days.
D.Headaches are a disorder of the nervous system.
E.And you should exercise regularly and get a lot of fresh air.
F.There are so many natural ways to relieve a violent headache.
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