How do people get iron?

-babies who are fed coe milk coz its low in iron -children & teenagers -women in pre menopausal have iron deficiency aneamia it affects these people, how? search google :)

Iron is needed to make heme, the building block of hemoglobin Hemoglobin carries oxygen throughout the body, so without iron, the tissues, muscles, and other systems do not receive adequate oxygen,...

to make themselves stronger and more alert during the day.

Why do people need iron?

That is a bit of a vague and grammatically incorrect question but i am going to take a stab at the Iron age.