I...would like to see citations on that... Rust dissolves in certain liquids, and the same oxidation state, Fe3+, is released during heme degradation, which happens frequently enough to turn poop brown. Now I'm by no means an expert on inorganic chemistry in the human body, but this is definitely a claim that I have never heard before. Usually it's cancer or organ failure that kills everyone if they last long enough. Everything in us with a genome has telomerase, but the problem is that keeping it off is a nice safe-guard against tumors.There are real drawbacks to living in an oxidizing atmosphere. You rust. That's aging in a nutshell - the stuff that makes you work bleaches in the sun. As soon as we committed to hemoglobin we committed to an expiration date and I'm unaware of any critter that's gotten around that.