Even healthy foods can contain trace amounts of elements such as lead, mercury, cadmium, and arsenic. These "heavy metals" ...

Add Yahoo as a preferred source to see more of our stories on Google. A protein called ZNG1 helps cells make use of zinc when stores of this essential nutrient are running low. bagi1998/E+ via Getty ...

For most of my years on this earth, heavy metal has had nothing to do with food and everything to do with Black Sabbath and teen angst. But recently, the term has taken on a more concerning timbre.

With the holiday season approaching, many of us will be indulging in a favorite treat: chocolate. Yet despite dark chocolate’s reputation as a healthier sweet, it can also be contaminated with lead ...