Free Talk Live

The most striking thing about North America’s fear of food is how markedly ideas about food’s healthfulness have changed over the years. Chemical preservatives went from being triumphs of modern science to poisons. Whole milk has swung back and forth like a pendulum. Yogurt experienced boom, bust and revival. Margarine went from “heart-healthy” to artery-clogging. And now we are told that salt, historically regarded as absolutely essential to human existence, is swinging the grim reaper’s scythe.