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From New Scientist - Latest Headlines:
Scientists have found a direct link between the neck muscles and an area of the brainstem that controls heart rate and blood pressure.
THAT office job might be raising your blood pressure in more ways than one.
A link between the muscles in the neck, blood pressure and heart rate has long been suspected. Now Jim Deuchars and colleagues at the University of Leeds, UK, have found a direct neural connection between these neck muscles and a part of the brainstem - called the nucleus tractus solitarius (NTS) - which plays a crucial role in regulating heart rate and blood pressure.
Deuchars's team was using mice to investigate how the brain responds to a variety of stimulatory and inhibitory proteins. They noticed that a group of brain cells connected to the neck muscles kept firing in response to both types of proteins, suggesting the cells played a very active role in the brain.
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