Lead is a metal that in the past, was used in paints, petrol and household products. Because lead is all around us, it is likely that we all have a little in our system. But high exposure to lead can be dangerous leading to a range of health problems. The body stores lead in the teeth and bones where it accumulates over time.
What might a high result mean?
High levels of lead in the body can damage the brain, kidneys, nerves and blood cells. Lead can also harm the reproductive organs and cause miscarriages and birth defects when passed in the blood from a pregnant woman to her unborn child.