It sound obvious . When you eat something piquant , you sense thirstier and obtain yourself gasping for water . But a surprising Modern study has discover that , in the long term , that ’s not always the case .

The enquiry , published inThe Journal of Clinical Investigation , was carried out by the Max Delbrück Center for Molecular Medicine ( MDC ) in Berlin , Germany , and other institutions . They studied 10 Isle of Man who admit part in two simulated flights to Mars on Earth , one lasting 105 day and the other 205 days . Over a period of hebdomad , they were given diets with different salt contents .

The importance of the research for Mars missions is that , on farsighted - duration space missions , the diets of the spaceman will have to be purely controlled . Thus , it ’s important to know the effect salt has on the human organic structure .

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Previously , salt consumption was opine to be linked to an increase in the production of water , as the great unwashed tope more liquid . But this subject suggests the addition in urine does not come from more drinking , but rather that salt was trip a chemical mechanism to conserve water in the kidneys . And in the long term , it might make a person toast less .

“ Before the study , the prevailing conjecture had been that the charged sodium and chloride ions in Strategic Arms Limitation Talks grabbed onto water molecules and dragged them into the urine , ” astatementfrom the MDC read . “ The new results evince something different : salt stayed in the urine , while water system go back into the kidney and consistence . ”

mission to Mars may expect fresh approach to diet . NASA / Pat Rawlings

Studies in mice have found that a high - salt diet in reality increases thirst , not thirst . The human participants in this late study also enunciate they were hungry after a salty diet . It ’s further suggest that carbamide from urine might really keep pee in our bodies when we get free of salt .

“ Nature has plain found a agency to maintain water that would otherwise be carried away into the urine by salt , " said Professor Friedrich C. Luft from the MDC in the argument .

Thus , it ’s suggest that in the prospicient terminus , a salty diet may actually make us less thirsty than a lower salt diet . However , in the myopic - terminus , we still go through drink response that make us salute more .