Iodized salt helps prevent iodine-deficiency disorders, including goiters and certain birth defects. Yet it's unclear how this seasoning interacts with chloramine-treated drinking water if some of the disinfectant is left behind. Now, researchers have demonstrated that cooking pasta in such water with iodized table salt could produce potentially harmful byproducts. But they also report four simple ways that people can reduce or avoid these unwanted compounds. In most countries, drinking water is treated with chlorine or chloramine. But small amounts of these disinfectants can end up in water used for cooking. Previous experiments showed that when wheat flour was heated...