7.2 grams a day is still a lot. Low-sodium diets aim for less than 3 grams a day, and it is not that difficult to go even lower. Whether a near-zero sodium inta

7.2 grams a day is still a lot. Low-sodium diets aim for less than 3 grams a day, and it is not that difficult to go even lower. Whether a near-zero sodium intake is good or not, it's another can of worms, but a study looking at a huge-salt diet vs. a high-salt diet does not look very useful.