This is the first 1,000 characters of 722 words (2.89 pages) in the essay titled Migraines
Migraine headaches are the result of a disturbance in the neurochemistry of the central nervous system. They are relatively common, affecting three times as many women as men. Migraine sufferers typically report a definite pattern to their headaches, and they can report what stimuli bring them on. Most migraine sufferers experience their first attack before the age of 20. There is no single cause of migraines, but the tendency to get migraines does tend to run in families. When a migraine occurs, it means that something has altered several of the neurotransmitter-sensitive receptors located on the outside surface of the nerve cells (neurons) so that the nervous system is no longer able to constantly maintain the natural balance that the nervous system is intended to maintain.
Neurotransmitters are chemicals that nerve cells (neurons) use to communicate messages to each other. Receptors are special areas that receive these chemical messages. The key neurotransmitter in...
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