Brain's on-off thirst switch identified

This image of a mouse brain shows the two neurons, CAMKII (in red) that triggers thirst and VGAT (in green) that inhibit thirst. NEW YORK, NY (January 26, 2015)--Neurons that trigger our sense of thirst--and neurons that turn it off--have been identified by Columbia University Medical Center neuroscientists. The paper was published today in the online edition of Nature.