Trend watchers say that nutritional villains come in cycles. First we get upset about fat of some sort, then we might put carbohydrates under the microscope. Next it might be a micronutrient, like caffeine.Recent history bears that out. After that weird low-carb fad in 2003 and 2004, we went on to slap fat around, finally banning trans fat, more or less, from our food over the past couple of years.Those trend watchers say salt will be next. I hope they’re right, because I’m getting tired of ...

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