Research shows iron deficiency is a frequent cause of hair loss. Iron deficiency can cause pica, eating or craving ...

What’s more, the stronger the coffee or tea, the less iron absorbed (3). However, caffeine alone does not seem to be the main substance interfering with iron absorption. In fact, one study found ...

Some substances, like particles of this iron, contain only one kind of atom. Iron is an element. It is made of only one type of atom: iron atoms. Sulfur is another element. It contains only sulfur ...

Metals are the only substances that are magnetic. But some metals are magnetic and some are not. The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see ...