The Human Kidney, By Design
Another item for the "Everything You Thought You Know About Food Isn't So" file: Scientific American reports on research in the American Journal of Hypertension debunking the notion that high sodium intake leads to high blood pressure ("It's Time to End the War on Salt"). But note this interesting observation by Albert Einstein College of Medicine epidemiologist Michael Alderman. Explaining why different people respond differently to salt, he attributes this to the design -- note well -- of kidneys: "the human kidney is made, by design, to vary the accretion of salt based on the amount you take in." Emphasis added.