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How do serotonin cause constriction and dilation of blood vessels in the brain?


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#1 oem7110

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Posted 08 November 2014 - 03:51 PM

"Studies suggest that environmental electromagnetism influences brain patterns, irritates nerves and changes body chemistry. Not so well researched is the possible negative effect of changes in the earth’s electromagnetic field during solar storms on headache and migraine. More evidence is available, however, to support the theory of ionization as trigger. Ions are particles in the air with either too many negative electrons (negatively charged), or with missing electrons (positively charged). Positive ionization is said to cause the release of excessive serotonin into the bloodstream. The resulting constriction and dilation of blood vessels in the brain triggers the headache or migraine."

Ref : http://www.manfredka..._headaches.html

Referring to above statement, I would like to know more on how the release of excessive serotonin into the bloodstream cause constriction and dilation of blood vessels in the brain.

Does anyone have any suggestions?
Thanks in advance for any suggestions






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