Iron - vital, but dangerous

This is the Ki-assisted translation of the 31st episode: Dr.
Andreas Biller talks to the scientist Dr. Stefan Siebrecht about
the 2 faces of iron. The world's most frequently deficient
micronutrient has a high affinity for oxygen and therefore damages
cells, destroys the microbiome (antibiotic) and can increase the
risk of cancer. However, tolerable iron supplementation is
possible.