IN a recent report 1 it was shown that a scouring disease which affected cattle and sheep on reclaimed swamps and peaty soils in New Zealand was due to a deficiency of copper in the pasture. Affected ...

We think of copper as the stuff of pennies and fancy kitchen pans, but it’s also an essential nutrient. Most healthy people get enough of it from foods like nuts, meats and fish. But when the body is ...

Many people use zinc supplements to boost immunity or improve acne symptoms. Learn how much zinc is safe for you, and what to watch for if you use it long term.