Iron deficiency as a cause of illness is now well-known to most people. Many therefore take iron tablets and pay attention to a diet rich in iron. In the USA, iron is even frequently added to foods. However, what many do not know is that an excess of iron in the body can occur quickly. This problem is largely unknown even to doctors. P. Dennis Mangan provides real educational work here by comprehensively shedding light on the consequences of iron overload for the first time. The issue of too much iron in the body: The metabolic pathways for its breakdown are only weakly developed. While it can be excreted through the intestines, the transport mechanisms for this have a very low capacity. A high dose of iron can quickly lead to deposits that cannot be broken down naturally. As a strong pro-oxidant.