Add Yahoo as a preferred source to see more of our stories on Google. More than 100 years ago, Americans were becoming deficient in the mineral iodine. It was causing problems like swelling in the ...

Dietary supplements are products like vitamins, minerals, and herbs that claim to promote wellness. Many of these supplements do have known benefits, but there are also risks you should know about.

A CENTURY AGO, much of northern America was known as the goitre belt. In some regions, anywhere from 26% to 70% of school-aged children had the characteristic neck swellings, or goitres, caused by an ...

Ever since manufacturers began adding iodine to salt in the 1920s, deficiency in this trace element has been relatively rare. And that's a really good thing, considering that iodine is an essential ...