Migraines

About four out of ten people get headaches at some time, mostly due to stress, tension, or anxiety. But these ordinary headaches are quite different from migraines. Migraine headaches are described as throbbing headaches that get worse with activity. They can last for hours to days, sometimes making it difficult to function normally. The exact cause of migraines is not known.

One cause of migraine is thought to be faulty functioning of certain brain cells called neurons. These cells carry electrical and chemical messages throughout the nervous system controlling how a person thinks, feels, and acts.

Changes in the neurons act upon areas that control pain and the flow of blood in vessels of the head and neck. This can cause inflammation of certain nerves and make the blood vessels in the brain either tighten or swell. The result is headache pain and possibly symptoms like nausea, vomiting, sensitivity to light, and other disturbances.

Treatments can include medications used to relieve headache pain as well as medications used to prevent headaches before they occur.

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