The sensation of thirst is one that all humans experience, and it’s a natural neurological signal from the body that we need to take in more fluids. But, when our thirst becomes excessive or prolonged, what is our body trying to tell us?
The Basics of Thirst
In the brain, a small collection of cells named the lamina terminalis can detect the levels of both fluid and sodium in the body at any given moment, and if fluid levels are deemed low, the drive to drink is initiated through the sensation of thirst. The lamina also processes information sent from other parts of the brain regarding blood pressure, blood volume and other important aspects of homeostasis.
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