how does the exces of iron affect our bodys?

Answer 1

Iron is a heavy metal in the chemical sense. An excess of iron (or any other heavy metal) can lead to poisoning. It's one reason that vitamins containing iron should be taken only as directed, and should be kept safely away from young children.

Answer 2

it creates a disorder called hemochromatosis, severe liver damage is usually the result if it goes untreated.

Answer 3

It sets off metal detectors, and makes us more bullet-proof.