&gt; But &quot;too much&quot; is a totality. There are a number of studies that show that sodium-restricted diets may increase all-cause mortality. So &quot;too much sodium...is unhealthy&quot; is not nonsense but completely meaningless and unhelpful as advice.<p>You seem to be arguing that, because too little is harmful, saying that too much is harmful is meaningless.  That seems... less than logically sound.<p>Or have I misunderstood you?