I love studies, I read them all the time, for various reasons. However, it will drive you to the nutty farm, if you not have a brain filter. For years, "this" (insert name) is bad, and then LATER......(insert name) it is good, etc, etc.
Now a study finds, that low-salt does not prevent heart disease:New Salt Study Suggests Low Salt Diet Does NOT Prevent Heart Disease: Gothamist
The key word here is Low-salt. Its not pointing to eating too much salt. The problem with this study is that its far too small, and not near long enough to be a real world sample.