Iodine, the element added to the salt that you sprinkle on your dinner and use as an antiseptic for cuts, may play a key role in shielding against traumatic tissue damage from heart attacks or car ...

After trials showed that supplements of iodine could prevent goitre, iodised salt was rolled out commercially in 1924, starting in grocery stores in Michigan. By the 1940s, the goitre belt had ...

But what many of these don't have — or don't have much of — is iodine. The mineral is essential for the body to make thyroid hormones, but can be rare in many parts of the world. And ...