“New studies of Russian cosmonauts, held in isolation to simulate space travel, show that eating more salt made them less thirsty but somehow hungrier. Subsequent experiments found that mice burned more calories when they got more salt, eating 25 percent more just to maintain their weight….
“The work suggests that we really do not understand the effect of sodium chloride on the body,” said Dr. Hoenig.
“These effects may be far more complex and far-reaching than the relatively simple laws that dictate movement of fluid, based on pressures and particles.”
She and others have not abandoned their conviction that high-salt diets can raise blood pressure in some people.”