THE part played by minorior trace elements in the economy of lant life has only become appar ent since the beginning of this century, and most of the work on the subject is comparatively recent.

We cannot avoid breathing in the air around us. When we breathe, tiny air pollutants such as toxic trace elements can penetrate and spread throughout our bodies. These pollutants can also be absorbed ...

Trace elements or metal elements are minerals found in trace levels in biological tissues. Some are confirmed to be nutritionally important, while the remaining are deemed non-essential. While trace ...