Salt Wars: The Battle Over the Biggest Killer in the American Diet

How food industry lobbyists and a small group of scientists have successfully fought government efforts to reduce dangerous levels of sodium in our food.

A high-sodium diet is deadly; studies have linked it to high blood pressure, strokes, and heart attacks. It's been estimated that excess sodium in the American diet causes as many as 100,000 deaths deaths and many billions of dollars in avoidable health-care costs each year. And yet salt is everywhere in our diets—in packaged foods, fast fo...