Nearly half of the enzymes—proteins that carry out chemical reactions in cells ... in medicine and in life, iron is a trace element. These are elements that are present only in small amounts ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom.

All organisms on Earth ride upon a "ferrous wheel" made of different forms of iron that are essential for life. Aa Aa Aa Biogeochemical cycles describe pathways by which chemical elements move ...

The research team found that a single third-trimester iron infusion significantly reduces anaemia in pregnant women.