Rapid growth is another possible cause of anemia. Think about it. Children who go through a rapid growth spurt cannot keep up with the body's need to produce red blood cells. This can be the case for pregnant women, too. The growing fetus creates a demand for more iron to form red blood cells. If the body doesn't have enough iron to keep up with the growth, iron-deficiency anemia can result.

Next up, lead, a metal, the final possible cause of anemia we’ll be discussing.