Troy planted himself on the couch , glance at the hoops secret plan on his animation room TV and pull the java table within easy reach . The reasonableness ? That ’s where he had position the hot , freshpizzathat had just been turn in . He reach the lid and reached for a slicing , its crust bending under the weight of pepperoni , ham , bacon and sausage , and sprinkled a trivial salinity on top for good cadence before digging in . Six slices later on , Troy was stuffed to the gills — and unbelievably athirst .
From the cured meats to the supernumerary scattering , Troy had just absorb an unconvincing amount ofsalt , and his body began making adjustments to manage it . The salt passing through the paries of his diminished intestine was entering his bloodstream and have the salt capacity in his descent uprise . As saltier - than - normal profligate zooms through veins and arteries , the body smell an imbalance . When there ’s more saltiness in the fluid surrounding the cells than in the cells themselves , the atomic number 11 - rich fluid attempts to pull even more fluid out of the cells . It ’s a stipulation known ashypernatremia , and it ’s a carmine flag that sends the cellphone ' chemic messenger rushing to the brain to report the high-pitched salinity story in the fluid around the cells and decry their potential dehydration . " Water ! urine ! Water ! " bespeak the brain and — voila ! — you ’re hungry .
The " thirst snapper " in your brain that compels you to strive for a tall glassful of water is located in thehypothalamus , which also helps regulate eternal sleep patterns , appetite and trunk temperature . When sensors in the thirst center receive signals that there ’s too much sodium in the blood stream because you engorge on a salty collation mix , for object lesson , the hypothalamus send out an SOS : " fuddle now . " And bingo . You ’re hungry .
Age and disease may stamp down the mastermind ’s ability to oblige you to take in fluids . In other words , people can misplace their mother wit of thirst , which is a grievous precondition see the body is about 70 percent liquid and ask decent hydration for its internal organs to work decently . Proper hydration also aids the ordinance of eubstance temperature and helps ensure that vitamins , internal secretion and other substances get where they ’re needed . And just guess how dehydration gum up the works in your digestive organization [ source : Society for Neuroscience ] .
Whether you ’re about to munch on some sodium - laden bring around meats , a salty snack or an extra scattering of salt , get ready to snap up a big glass of water . You ’re about to get really athirst .